See also:

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. ...

Liftgate Release
To unlock the liftgate, use the power door lock switch or the remote keyless entry transmitter. The liftglass will also unlock when the liftgate is unlocked. Press the button on the liftglass to op ...

Brakes
Brakes stop the vehicle and are crucial to safe driving. • Signs of brake wear may include chirping, grinding, or squealing noises, or difficulty stopping. • Trained dealer technicians hav ...