the onstar isnt as big of an issue as the steering wheel controls and rear controls i did notice it didnt work. i assumed they had some type of upgrade for it. anyways with an aftermarket unit will all the speakers work? ive read some threads that the tweeters wont work as well as some rear...
Hey guys i just bought a 03 tahoe. im looking to put an aftermarket navi system in. If been looking all around and checking everyone else's posts. But i couldnt seem to find one post that was trying todo exactly as i am. most people are only concerned about maintaining certain functions after...
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