A:AnswerTalk to the people at the store. They will drill down to your system and make sure you get the one that fits your vehicle and your requirements. The Tacoma store personnel were first class.
A:AnswerYou didn't have to buy it, it's just a much better value if you have use for the other total tech features, its saved me a lot of money and allowed me to try devices without losing money.
A:Answernot sure whay membership your talking about but i do have total tech support with best buy and i only paid for the alarm my installation was at no charge with it