Owner Checks and Services
At Each Fuel Stop
- Check the engine oil level.
See Engine Oil.
Once a Month
- Check the tire inflation pressures. See Tire Pressure.
- Inspect the tires for wear.
See Tire Inspection.
- Check the windshield washer fluid level. See Washer Fluid.
See also:
Using Voice Commands
During a Planned Route
Cancel Route
1. Push . System responds:
“OnStar ready,” then a tone.
Say “Cancel route.” System
responds: “Would you like to
cancel route directions to your
destination?”.
2. Say “Yes.” Syst ...
Exterior Lighting
The exterior lamp control is
located toward the end of the turn
signal/lane change lever.
: Turn the band with this
symbol on it to operate the exterior
lamps.
The exterior lamp control h ...
Replacing Safety Belt System Parts after a Crash
WARNING
A crash can damage the safety belt system in the vehicle. A damaged safety belt
system may not properly protect the person using it, resulting in serious injury
or even death in a cr ...






