The best part about the new key fob is its price ... remotely and start the car with the fob if you've opted for GM's remote start package. Oh yeah, it'll unlock the doors, too.

Because I probably won’t be able to start the car again without the key fob. So if I don’t turn off the engine, I should be OK, right? Nope. Enter a relatively new feature from GM. It’s ...

"GM owners request remote door unlock assistance through OnStar more than 60,000 times each month, so it makes sense for us to offer RemoteLink Key Fob Services to enable customers to lock ...