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.
See also:
Sunroof (Extended Cab)
Sunroof (Extended Cab)
On vehicles with a sunroof, the sunroof only operates when the ignition is in the ACC/ACCESSORY or ON/RUN or the Retained Accessory Power (RAP) is active.
See Retained Acces ...
Rear Window Defogger
The rear window defogger uses a warming grid to remove fog from the rear window.
(Rear Window Defogger): For vehicles with this feature, press to turn the defogger on or off.
It automatically turns ...
Fuel Additives
To provide cleaner air, all gasolines in the United States are now required to
contain additives that help prevent engine and fuel system deposits from forming,
allowing the emission control syste ...