Originally Posted by szymon
On the GM's the instructions for using the remote start are usually on the back of the keyfob.
You first have to press the "lock" button and then press and hold the "start" button for 2 seconds.
Szymon
plus in the car radio menu *info menu* there is a feature to disable the auto start. many locations *not just avis or hertz* disable it, but its easy enough to turn back on.