Owner Checks and Services
At Each Fuel Stop
• Check the engine oil level.
See Engine Oil on page 10‑8.
Once a Month
• Check the tire inflation pressures. See Tire Pressure on page 10‑44.
• Inspect the tires for wear.
See Tire Inspection on page 10‑50.
• Check the windshield washer fluid level. See Washer Fluid on page 10‑22.
See also:
Special Application Services
○ Severe Commercial Use Vehicles Only: Lubricate chassis components every 5 000
km/ 3,000 mi.
○ Have underbody flushing service performed once a year. ...
OnStar Overview
If equipped, this vehicle has a comprehensive, in-vehicle system that can connect
to a live Advisor for Emergency, Security, Navigation, Connection, and Diagnostic
Services.
The OnStar system s ...
Battery
This display shows the current battery voltage. If the voltage is in the normal range, the value will display. For example, the display may read BATTERY 13 VOLTS.
Your vehicle's charging system regul ...





