GMC Buick Chevrolet USB Android iPod Bluetooth adapter

Make sure to disconnect factory SAT/XM tuner in order for GROM to take its functionality. 

Steering wheel controls are not supported for GMC Buick Chevrolet vehicles

USB Connection: GROM-USB3 car stereo adapter connects your USB 2.0 device such as flash drive, external hard drive or mass storage device to the stock stereo in your car. You can control the playback through your car stereo or steering wheel controls.

Android integration via USB port that supports advanced control and browsing requires DashLinQ Android Car Mode Dashboard App, available at Google Play Store For more information go to DashLinQ page

USB streaming for select with Jelly Bean and up software is available without DashLinQ. You can stream the music and use track up and track down controls from any music application, while connected via USB. 

iPod, iPhone, iPad car integration: Connect your Apple device to the factory car stereo via USB port. Play music, control from car stereo or steering wheel, and charge at the same time. Use standard USB to Apple connector cable (including Lightning style). All iPod, iPhone, iPad are compatible, invcluding latest iPhone 6 and iPhone 6 Plus.

Bluetooth add-on (sold separately): Make a hands free phone calls (HFP), stream music from your phone to the factory stereo via Bluetooth Audio playback (A2DP), control your music with the car stereo or steering wheel controls via Bluetooth wireless audio control (AVRCP) with the GROM Bluetooth Dongle

HD Radio Tuner add-on (sold separately): Get HD FM Radio stations from your factory stereo. GROM-HDR1 HD Radio tuner improves the sound quality of local FM stations and delivers clear and bold sound. Adds access to the HD FM sub-stations for more music choices. Check out the HD Radio Tuner and Antenna Dongle

Aux 3.5mm phone jack connection for any additional audio source such as DVD, MP3 player, XM and more.Available with plus 5V charging option via AUX-In 3.5mm and 5V USB charging cable

Automotive grade USB extension cable with latch-style connectors
Operating Temperature: -40C - +85 C (-50F - 200 F)
Operating current: ~220mA 
Standby current: ~1mA 
SN Ratio: 95dB
DAC resolution: NA 
Distortion: < 0.01%
Dimensions: W / H / D - 60* 73 * 20 mm
Weight: 60g 
Enclosure: Black metal