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7 Ways to Upgrade: Adding Bluetooth to Your Car

7 Ways to Upgrade: Adding Bluetooth to Your Car

With the popularity of smart in-car systems such as Apple CarPlay and Android Auto, Bluetooth has become even more important in delivering a personalized connected in-car experience. However, adding Bluetooth functionality to both new and older cars is no longer a challenge. From installing Bluetooth adapters and FM transmitters to opting for advanced smartphone integration systems, there are multiple ways to add Bluetooth functionality to any car.


This article will explore 7 ways to add Bluetooth to your car, so that no matter your vehicle model, you can find a solution that suits your needs and keeps your car up to date with modern communication technology, bringing a quantum leap in your driving experience.


Why your car needs Bluetooth?


Why your car needs Bluetooth?


  • Wireless Music and Media Playback: Effortlessly connect smartphones for playing music, podcasts, or audiobooks, particularly beneficial while driving.


  • Hands-Free Calling: Enables calls without manual phone handling, minimizing driving distractions.


  • Voice Command Navigation: Supports smartphone voice assistants like Siri or Google Assistant for hands-free navigation and other commands.


Method 1:  Built-in Bluetooth Systems


Newer cars are often equipped with built-in Bluetooth systems that make wireless connectivity between vehicles and smart devices easier and more efficient. Below is a brief introduction to these built-in Bluetooth systems, as well as a discussion of their advantages and disadvantages.


Built-in Bluetooth Systems in Newer Vehicles


Built-in Bluetooth Systems in Newer Vehicles


  • Seamless Integration:Built-in Bluetooth systems in modern cars smoothly integrate with the audio and information systems for an intuitive experience.


  • Versatility:Offers music playback, hands-free calling, voice commands, text interaction, and smartphone app integration.


  • Compatibility:Typically compatible with a broad range of smart devices, including iOS and Android.


  • User Interface:Operated via the vehicle's center screen with touch or button controls; some systems allow custom settings.




  • Higher Sound Quality: Direct play through the car's sound system enhances the audio experience.


  • Enhanced Safety: Integrated systems support safer driving by enabling control through voice commands.


  • Unified Experience: Integrates with other vehicle systems for a cohesive experience.




  • Update Limitations: Some systems may not be easily upgradable, potentially leading to obsolescence.


  • Cost Issues: More prevalent in higher-end models, potentially raising the vehicle's purchase price.


  • Maintenance and Compatibility: Repairs can be complex and costly; compatibility issues may arise.


Built-in Bluetooth systems in modern vehicles offer a feature-rich, integrated solution, though they may face limitations in updates, cost, and maintenance.


Method 2:  Bluetooth FM transmitters are recommended as an easy and affordable option


A Bluetooth FM transmitter is an ideal option for car owners who want to add Bluetooth functionality without changing the car's original system. Not only is this device less expensive, but it is simple to install and can quickly and effectively provide Bluetooth connectivity to any car. The Bluetooth FM transmitter transmits audio by broadcasting an FM signal, which means it can be used in any car that has an FM radio. Its benefits include ease of installation and use, broad compatibility, and cost-effectiveness.


Syncwire Bluetooth 5.1 FM Transmitter


Syncwire Bluetooth 5.1 FM Transmitter


Features: This FM transmitter supports fast 38W charging and features dual USB ports, one of which is a USB-C port. It utilizes the latest Bluetooth 5.1 technology to provide a more stable and faster connection.




  • Fast charging: Able to quickly charge two devices at the same time, especially suitable for charging cell phones and other devices during long drives.


  • High stability: Uses Bluetooth 5.1 technology to improve signal stability and connection speed.


  • Easy to operate: Intuitive button design and clear LED screen make operation simple and convenient.


  • High compatibility: Suitable for almost all types of smartphones and models.


Syncwire Bluetooth 5.3 FM Transmitter


Syncwire Bluetooth 5.3 FM Transmitter


Features: Provides a higher power output of 48W, including a 36W PD port and a 12W USB port. Uses the latest Bluetooth 5.3 technology to ensure an ultra-fast and efficient connection.




  • Powerful Charging Capability: 48W high power output provides extremely fast charging for devices, suitable for rapid charging needs.


  • Advanced Bluetooth technology: adopts Bluetooth 5.3 to provide users with more stable and faster audio transmission.


  • User-friendly design: with simple and intuitive operation interface and clear screen display.


  • Wide compatibility: supports a wide range of smartphones and vehicles with high adaptability.


To summarize, both of Syncwire's Bluetooth FM transmitters offer powerful features and advanced technological advantages that make them ideal for adding Bluetooth functionality to your car. Whether you need a quick charge on a long drive or are looking for consistent, high-quality audio transmission, these products have you covered.


Method 3:  Using a Bluetooth Adapter


Bluetooth adapters are small devices that enable Bluetooth functionality in any audio system. They are commonly used in vehicles and other audio systems that do not have built-in Bluetooth. With this adapter, users can wirelessly connect their smartphones or other Bluetooth-enabled devices to play music or make hands-free calls.

Using a Bluetooth Adapter


Two Usages:


  • AUX Input Connection:  The Bluetooth adapter connects to the car's AUX port via a 3.5mm audio plug.This method transmits the audio signal directly to the vehicle's sound system, providing a high-quality audio experience.


  • USB Connection:  Some Bluetooth adapters can be connected to the vehicle through a USB port.The USB connection not only transmits the audio signal, but also powers the adapter itself.




  • Simplicity and Convenience: Bluetooth adapters are usually very simple to install and use. Simply plug it in and pair it to start using it.


  • Upgrading older sound systems: this is a cost-effective way to upgrade older vehicles or sound systems that do not have built-in Bluetooth.


  • Portability: these adapters are usually compact and easy to carry around, and can also be easily switched between multiple devices for use.




  • Sound quality is dependent on the quality of the adapter: while most adapters offer good sound quality, the sound quality may vary from device to device, especially at lower price points.


  • Dependence on available interfaces: these adapters will not work if the vehicle does not have an AUX port or USB port.


  • Operational interference: Compared to built-in Bluetooth systems, using an adapter may require additional operational steps, such as switching the device on and off or adjusting the volume, which may cause some interference while driving.


Overall, Bluetooth adapters are a simple and cost-effective way to add Bluetooth functionality to any vehicle or audio system. While they may have some limitations, these adapters are an ideal solution for users looking to implement wireless audio transmission in older models without built-in Bluetooth.


Method 4:  Installing a Smartphone Integration System


Smartphone integration systems, such as Apple CarPlay and Android Auto, offer a way to integrate smartphone functionality into your car's audio system. These systems connect to the smartphone via Bluetooth or USB and allow drivers to access various features of the phone, including navigation, communication, music playback, and more, directly from the vehicle's center screen. With this integration, users can use their smartphones more safely and conveniently while driving.


Installing a Smartphone Integration System


Ways to add Bluetooth


Bluetooth connectivity via Apple CarPlay and Android Auto. Most Hyundai vehicles offer built-in support for connecting wirelessly to Apple CarPlay and Android Auto.Users can find the appropriate Bluetooth settings in their vehicle's settings and follow the instructions to complete pairing with their smartphone.


Connecting via USB. For models that do not support wireless connectivity, users can connect their phone to the vehicle via a USB cable.

Once connected, the smartphone's interface is mapped to the vehicle's display, allowing the driver to control the phone via touch or voice commands.




Not all vehicles natively support Apple CarPlay and Android Auto. for older models, a third-party central control system may need to be installed to enable this functionality.

Smartphones will also need to support these systems. Most newer iOS and Android devices are compatible with these systems.


Installation Requirements:


For models with built-in support, no additional installation is usually required, just activation and pairing through the vehicle's settings menu.

For unsupported models, installation may involve replacing the vehicle's audio system or adding a compatible module, which may require a professional installation service.


To summarize, Apple CarPlay and Android Auto greatly enrich the modern driving experience, providing safer and more convenient driver assistance by integrating a wide range of smartphone features. While there are certain compatibility requirements for vehicles and smartphones, these systems offer drivers a more intuitive and interactive way to use their smart devices while reducing distractions while driving.



Method 5:  Utilizing an in-car Bluetooth receiver


An in-car Bluetooth receiver is a small device that gives Bluetooth connectivity to vehicle audio systems that don't have built-in Bluetooth capabilities. These receivers typically connect through the vehicle's AUX input or USB port and then pair with a smartphone or other Bluetooth device for wireless music playback or hands-free calling capabilities.


Utilizing an in-car Bluetooth receiver


Steps to use: 


Step1 -- Connect the receiver:  Connect the Bluetooth receiver to the vehicle's AUX input or USB port.


Step2 -- Turn on Bluetooth pairing:  Turn on the receiver (some receivers turn on automatically when plugged in) and turn on your smartphone's Bluetooth function.


Step3 -- Pairing Device:  Select the appropriate Bluetooth receiver on your phone to complete the pairing.


Step4 -- Getting Started:  After successful pairing, you can play music or make phone calls through the vehicle's audio system.




  • Cost-efficient: car Bluetooth receivers are more economically priced, making them an economical choice for upgrading older vehicle audio systems.


  • Easy to install and use: these receivers are usually simple in design and can be quickly installed and operated by the user themselves.


  • Portability: compact size, easy to carry, can be easily transferred between multiple vehicles for use.




  • Limited sound quality: sound quality via AUX connection may not be as good as built-in Bluetooth or high-end external devices.


  • No vehicle integration features:compared to built-in Bluetooth systems or smartphone integration systems such as CarPlay or Android Auto, these receivers typically do not offer integrated vehicle controls.


  • Compatibility limitations: requires the vehicle to have an AUX input or USB port, which may not be available for some older models.


Overall, in-vehicle Bluetooth receivers offer a simple, affordable way for vehicles without built-in Bluetooth capabilities to enjoy the convenience of wireless audio playback and hands-free calling. While they may not be as good as higher-end solutions in terms of sound quality and feature integration, they are an ideal option for those on a budget or who only need basic Bluetooth functionality.



Method 6:   Replacing an audio system with built-in Bluetooth functionality



is a more comprehensive solution for drivers who want to enjoy modern Bluetooth functionality in their older vehicles. Below are the basic steps of the replacement process and some recommended brands and models.



Replacing an audio system with built-in Bluetooth functionality


Steps for replacing an audio system with built-in Bluetooth capability.


Step 1 -- Evaluate the current audio system:

Know the specifications and dimensions of the current vehicle's audio system to ensure that the new system will fit.


Step 2 -- Choosing the right sound system:

select a sound system with built-in Bluetooth capability. Make sure the new system is compatible with the vehicle's electrical system and has all the required features.


Step 3 -- Purchase the required tools and accessories:

Special tools may be required to remove the old audio system and install the new system, such as screwdrivers, wire harness adapters, panel kits, etc.



Carefully remove the old sound system according to the vehicle model-specific instruction manual.



Install the new Bluetooth sound system into the vehicle, making sure that all wiring connections are correct.



Once the installation is complete, test the Bluetooth functionality and all other functions to make sure they are working properly.


Brand and Model Recommendations


  • Pioneer: Models such as Pioneer AVH-W4500NEX: Offers wide compatibility, supports Apple CarPlay and Android Auto, with excellent sound quality and user interface.


  • Kenwood: Models such as the Kenwood Excelon DMX706S: known for its powerful audio processing and high-quality display.


  • Alpine: Models such as the Alpine iLX-W650: Thin design that is easy to install while providing an excellent touch screen experience.


  • Sony: Models such as the Sony XAV-AX5000: Popular for its intuitive user interface and efficient Bluetooth connectivity.


  • JVC (Victory Japan): Models such as the JVC KW-M740BT: Offers stable Bluetooth connectivity and compatibility with a wide range of smartphones.


When choosing a sound system, it is important to consider your specific needs such as compatibility, budget, and desired features. Additionally, if you are not confident that you can install it yourself, it is recommended to seek professional installation services to ensure safety and optimal performance.



Method 7:  Choosing a professionally installed Bluetooth kit


is ideal for owners who wish to add Bluetooth functionality to their vehicles but lack the relevant technical knowledge or installation experience. Some of the key points and recommendations for choosing a professional installation service are discussed below.


Reasons to choose a professionally installed Bluetooth kit


Technical Expertise:


  1. Professional installers at have in-depth knowledge of different car models and audio systems to ensure that Bluetooth kits are installed correctly and efficiently. Save time and avoid mistakes:


  1. installing on your own can take a lot of time and learning. Professional installation avoids the risk of incorrect installation and saves valuable time. Safeguard device security and performance:


  1. Professional installation ensures the safety and optimal performance of the equipment in the vehicle and avoids damage to the equipment or degradation of performance due to incorrect installation.


  1. Provide customized solutions: professional installers can provide customized installation solutions according to the owner's needs and the characteristics of the vehicle.


Advice on choosing a professional service


1. Choose a reputable service provider:

Look for well-reviewed installation service providers and can get information through online reviews, friend recommendations or professional organizations.

2. Verify technical qualifications and experience:

Verify that the service provider has relevant technical qualifications and extensive installation experience. Find out about post-installation support and warranties.

3. Ask about post-installation warranties or support services offered:

Such as warranty policies and follow-up maintenance services.

4. Consider cost vs. value:

Consider the cost of the installation versus the value provided. Sometimes it's worth it to spend more for higher quality service and warranties.

5. Communicate specific needs:

Communicate fully with your service provider prior to installation to ensure they understand your specific needs and expectations.

6. Refer to case studies or sample jobs:

If possible, check the service provider's previous installation case studies or sample work to assess the quality of their work.


By choosing a professional Bluetooth kit installation service, vehicle owners can be sure to get Bluetooth functionality that is efficient, reliable and tailored to their individual needs, while avoiding the potential problems and risks associated with self-installation.


The most immediate safety benefit of Bluetooth technology is the reduction of physical and visual distractions while driving. For example, hands-free calling means drivers don't need to be distracted from checking or operating their cell phones while on a call.


Meanwhile, by controlling navigation and entertainment systems through voice commands, drivers can focus on the road and driving conditions, reducing the risk of distracted driving caused by operating devices.


In addition, many modern Bluetooth systems can be integrated with a vehicle's safety systems, such as automatically dialing for help in an emergency, further enhancing driving safety.


Overall, Bluetooth technology has become an integral part of the modern automobile by providing a safer and more convenient driving experience. Whether it's through music, calls or navigation, Bluetooth's wireless connectivity continues to enhance the way we drive, making it safer and more enjoyable.

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