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:
Diagnostics
OnStar Vehicle Diagnostics will perform a vehicle check every month. It will
check the engine, transmission, antilock brakes, and major vehicle systems. It also
checks the tire pressures, if the v ...
Driving for Better Fuel Economy
Driving habits can affect fuel
mileage. Here are some driving tips
to get the best fuel economy
possible.
- Avoid fast starts and accelerate
smoothly.
- Brake gradually and avoid
abrupt st ...
Head Restraints
WARNING
With head restraints that are not installed and adjusted properly, there is a
greater chance that occupants will suffer a neck/ spinal injury in a crash. Do not
drive until the head ...