Owner Checks and Services

At Each Fuel Stop

• Check the engine oil level. See Engine Oil on page 10‑7.

Once a Month

• Check the tire inflation pressures. See Tire Pressure on page 10‑62.
• Inspect the tires for wear. See Tire Inspection on page 10‑68.
• Check the windshield washer fluid level. See Washer Fluid on page 10‑28.

    See also:

    Footnotes — Maintenance Schedule Additional Required Services — Severe
    a) Extreme service. For vehicles mainly driven off-road in four-wheel drive or used in farming, mining, forestry, Department of Natural Resources (DNR), or snow plowing. b) Check all fuel and vapor l ...

    Making a Call
    Calls can be made using the following commands. Dial or Call: The dial or call command can be used interchangeably to dial a phone number or a stored name tag. Digit Dial: This command allows a ph ...

    Security
    OnStar provides services like Stolen Vehicle Assistance, Remote Ignition Block, and Roadside Assistance, if the vehicle is equipped with these services. OnStar can unlock the vehicle doors remotely, i ...