A:AnswerYou will need to use a harness made by idatalink or metra, or pac. There may be other brands out there. You may have to program it . You will need this for onstar
A:AnswerI have never installed or updated maps for Garmin, but there is a smart card slot in front of radio. You download maps to smart card front internet and then put it into radio. Sounds simple. Might try over the holidays
A:AnswerThis unit is designed to be installed in vehicles with a double DIN installation site. Please refer to your vehicle manual for confirmation of the type you require.
A:AnswerThis unit is designed to be installed in vehicles with a double DIN installation site. Please refer to your vehicle manual for confirmation of the type you require.