Owner Checks and Services

See also:

Battery
Refer to the replacement number on the original battery label when a new battery is needed. DANGER: Battery posts, terminals, and related accessories contain lead and lead compounds, chemicals ...

Rear Window Defogger
(Rear Defogger): Press to turn the rear window defogger on or off. The rear window defogger turns off after about 10 minutes. It can also be turned off by turning the ignition to ACC/ACCESSORY or ...

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. ...