USA SPEC BT45-GM15 Bluetooth® Music & Phone Interface – OEM Integration Solution (Plug & Play)

Upgrade your factory GM radio with modern Bluetooth functionality using the BT45-GM15 Bluetooth® Music & Phone Interface.
This interface is designed to integrate seamlessly with select GM OEM radios, allowing you to stream music wirelessly and handle hands-free phone calls without replacing your factory stereo.

Unlike low-quality FM transmitters or aftermarket radios, the BT45-GM15 preserves your vehicle’s original appearance while adding the convenience today’s drivers expect.

Why Choose the BT45-GM15 Bluetooth Interface

The BT45-GM15 connects directly to the factory radio harness and works through your existing audio system. Once installed, your OEM radio recognizes the interface as an external audio source, delivering clean digital sound and reliable call quality.

It’s the ideal solution for drivers who want Bluetooth without sacrificing OEM fit, finish, or reliability.

Key Features

• Bluetooth® music streaming from smartphones and tablets

• Hands-free phone calling through factory speakers

• Retains original OEM radio and dashboard appearance

• Plug-and-play installation – no cutting or splicing

• Uses factory controls (radio buttons or steering wheel, when supported)

• High-quality digital audio output

Common Symptoms This Interface Solves

This Bluetooth interface is ideal if your vehicle currently has:

• No Bluetooth audio or phone capability

• An older factory radio with AUX only or no media input

• Desire to keep the OEM radio instead of installing aftermarket

• Need for safer hands-free calling

🚗 Vehicle Compatibility

📌 Compatibility depends on the factory GM radio type and connectors

📌 Important:
This interface is designed only for factory radios without XM Satellite
Vehicles equipped with XM require a different interface. BT45-VETTE

👉 Always confirm your vehicle and radio compatibility before ordering or contact OEM Auto Sound for verification.

Installation Notes

• Direct plug-and-play interface

• No dealer programming required

• Professional installation recommended for best results

• Factory radio remains fully functional

Condition

• Brand new Bluetooth® interface module

• Includes required wiring harness

• Tested for proper operation

• OEM-quality components

Why Buy from OEM Auto Sound

At OEM Auto Sound, we specialize in OEM-correct audio solutions that preserve factory functionality while adding modern upgrades.

You can shop with confidence knowing:

• Products are tested and verified

• OEM compatibility is prioritized

• Expert support is available before and after purchase

• Secure checkout and fast shipping

Browse More OEM Audio Accessories

👉 https://oemautosound.com/product-category/accessories/

Helpful External Resource

👉Instruction Manual