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:
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 ...
Tire Sealant
Read and follow the safe handling instructions on the label adhered to the sealant
canister.
Check the tire sealant expiration date on the sealant canister. The sealant canister
should be replace ...
Options
Press the Options screen button. A Traffic Options menu displays. Select the
desired traffic related option.
Traffic: Press to enable or disable the traffic function.
Show Traffic ICONS: Press t ...