OnStar Services
See also:
Fuel Gauge
Metric
English
When the ignition is on, the fuel gauge indicates about how much fuel is
left in the tank.
An arrow on the fuel gauge indicates the side of the vehicle the fuel door
...
Lamps
Properly working headlamps,
taillamps, and brake lamps are
important to see and be seen on
the road.
- Signs that the headlamps need
attention include dimming, failure
to light, cracking, o ...
Calibrate Compass
The vehicle may have this feature.
The compass can be manually
calibrated. To calibrate the compass
through the DIC, see Compass. ...






