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I'm generalizing when I say this: most warranties will not be voided flat out. For instances, if you end up having engine troubles it would be an act of God for the aftermarket radio to have caused an issue therefore your warranty should NOT be voided. Now, if you install an aftermarket radio, assuming your battery is covered in the warranty, and you manage to fry your battery or worse.... then it is possible this portion of your warranty would be voided. Not all warranties are the same. I believe GM warranties, the dealer has to prove your aftermarket parts caused the issue, if not, they have to honor the warranty.
Having said all that... the best thing to do is 1) read the fine print 2) call the warranty company and get clarification. More than likely you will be just fine installing an aftermarket radio and subwoofer. If you don't know what you're doing then pay to have it installed. This will protect you a little bit because the install shop should have some liability if they install something wrong. (Not always true though...)
Having said all that... the best thing to do is 1) read the fine print 2) call the warranty company and get clarification. More than likely you will be just fine installing an aftermarket radio and subwoofer. If you don't know what you're doing then pay to have it installed. This will protect you a little bit because the install shop should have some liability if they install something wrong. (Not always true though...)
. The only way I can see your stereo draining your battery is if you leave the ignition turned on. BTW for anyone who faces a similar problem the dealer should be able to verbally explain HOW your aftermarket parts caused the problem. Always take it for a second opinion! If the first dealerships explanation seems ludicrous it probably is! Fight, fight and fight some more; don't pay for a shitty inspection and crap theory. Just my 2 pennies.
