OnStar®
OnStar® uses several innovative technologies and live advisors to provide a wide range of safety, security, navigation, diagnostics, and calling services.
See also:
Speedometer
The speedometer shows the vehicle's speed in either kilometers per hour (km/h)
or miles per hour (mph). ...
Weatherstrips
Silicone grease on weatherstrips will make them last longer, seal better, and not stick or squeak. Apply silicone grease with a clean cloth.
During very cold, damp weather frequent application may be ...
Express-Down Window
This feature is on the front windows. Press the switch to
the second position to activate the express-down feature.
To stop the window as it is lowering, press down briefly
on the switch again. ...