Quote:
Originally Posted by SS 1LE
There is no harm, it's just that it is not "factory or dealer installed" that they could use against you if they wanted to. All comes down to your dealer. If anything, they should be glad you care enough about your car to have one...
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I would say most dealers are not like that. Know your dealer before you buy your car. Some are very cool about addon stuff. Ask about those things you want to do before you buy.