Fuel
Use of the recommended fuel is an important part of the proper maintenance of your vehicle.
To help keep your engine clean and maintain optimum vehicle performance, GM recommends the use of gasoline advertised as TOP TIER Detergent Gasoline.
See also:
Ignition Transmission Lock Check
While parked, and with the parking
brake set, try to turn the ignition to
LOCK/OFF in each shift lever
position.
• The ignition should turn to
LOCK/OFF only when the shift
lever is in P ( ...
Average Vehicle Speed
This display shows the average
speed of the vehicle in miles per
hour (mph) or kilometers per
hour (km/h). This average is
calculated based on the various
vehicle speeds recorded since the
...
ENGINE OIL LOW — ADD OIL
This message displays when the
engine oil level is too low. Check the
oil level. See Engine Oil. ...