Shutting the Engine Off After a Remote Start
To manually shut off a remote start:
• Aim the RKE transmitter at the vehicle and press 
until the parking lamps turn off.
• Turn on the hazard warning flashers.
• Turn the ignition switch on and then off.
See also:
Battery Replacement
To change the remote control batteries, do the following:
1. Slide the rear cover back on the remote control.
2. Replace the two batteries in the compartment. Make sure they are installed correctly ...
Cellular and GPS Antennas
Avoid placing items over or near the antenna to prevent blocking cellular and GPS signal reception. Cellular reception is required for OnStar to send remote signals to the vehicle. ...
Manual Windows
Turn the hand crank on each door to manually raise or lower the manual windows. ...