REARMASTER® Steering Wheel Mounted Control, universal for Universal Car Stereo DVD Player GPS Navigation System with key learning function

• Useful: If your steering wheel has no control buttons, you can consider this controller, it can work with all aftermarket Car Stereo DVD GPS Navigation System which has steering wheel key learning function .
• Easy to install: No need to disassemble the steering wheel ,what you need to do is to connect two wires with your DVD navigation:1.connect the controller black wire with GND; 2.connect the controller red wire with your DVD navigation key1 or key2 cable( any of them).3.Use your DVD navigation learning function to match the keys accordingly.
• Convenient: Integrated 5 common keys: Vol+, Vol-, Mute, Next, Prev. Humanized Key arrangement design for you to touch the buttons easily while driving.
• Safety: 3M tape plus screws attached, double fixation to fix the control switch on your steering wheel tightly.
• Warranty: Can be installed with most of the vehicle steering wheels in the market, we provide 100% refund for any compatibility issue.

How to install? 1. Connect the black cable of the remote control to the GND. 2. Connect the red cable of the remote control to the control cable of your DVD navigation steering wheel. (key1 or key2 is ok) 3. Use your DVD navigation learning function to adjust the keys accordingly. Package includes: 1 x Steering Wheel Remote Control 2 x screws. 1 x adhesive. 1 x user manual (may not English language not guaranteed).