Owner Checks and Services

At Each Fuel Stop

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

Once a Month

○ Check the tire inflation pressures. See Tire Pressure on page 10‑51.
○ Inspect the tires for wear. See Tire Inspection on page 10‑57. . Check the windshield washer fluid level. See Washer Fluid on page 10‑23.

    See also:

    Tire Sidewall Labeling
    Useful information about a tire is molded into the sidewall. The examples show a typical passenger and light truck tire sidewall. Passenger (P-Metric) Tire (A) Tire Size: The tire size code is a c ...

    Customer Assistance Offices (U.S. and Canada)
    GMC encourages customers to call the toll-free number for assistance. However, if a customer wishes to write or e-mail GMC, the letter should be addressed to: United States GMC Customer Assistance ...

    Center High-Mounted Stoplamp (CHMSL) and Cargo Lamp
    To replace one of these bulbs: 1. Remove the two screws and lift off the lamp assembly. A. Cargo Lamp B. Center High-Mounted Stoplamp (CHMSL) Bulb 2. On the reverse side of the lamp assembly, r ...