Compass Zone
The zone is set to zone eight. If you do not live in zone eight or drive out of the area, the variance needs to be changed to the appropriate zone.
To adjust for compass variance, use the following procedure:
See also:
Instrument Panel Illumination Control
The brightness of the instrument panel lights and steering wheel controls
can be adjusted.
(Instrument Panel Brightness): Move and hold the thumbwheel up or down
to brighten or dim the lights ...
Recommended Fuel
If the vehicle has a V6 engine,
use regular unleaded gasoline with
a posted octane rating of 87 or
higher. If the octane rating is less
than 87, an audible knocking noise,
commonly referred ...
Navigation
OnStar navigation requires the
Directions and Connections
service plan.
Push to receive directions or
have them sent to the vehicle
navigation screen. Destinations
can also be forwarded to ...