If your car has a hood open switch already installed I doubt there's anything else to physically install. I bought the factory kit and I think all you get is the new fobs and some paperwork. It's all in the programming. I bought mine from GM online and had the dealer install it, I think it was...
I've ran only 87 top tier for 94,000 in my 2019 1.5 turbo LT. Fuel mileage average is a little over 31 mpg on the B trip meter over the past 30,000 miles since it was reset. Average speed logged is 38 so it's not all highway driving. Oil changes when the computer calls for it, Castrol Edge full...
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