Units
Press the vehicle information button until UNITS displays. This display allows you to select between metric or English units of measurement.
Once in this display, press the set/ reset button to select between METRIC or ENGLISH units. All of the vehicle information will then be displayed in the unit of measurement selected.
See also:
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 ...
Defensive Driving
Defensive driving means “always expect the unexpected.” The first step in driving defensively is to wear the safety belt. See Safety Belts on page 3‑15.
• Assume that other road users (pe ...
Engine Oil
For diesel engine vehicles, see “Engine Oil” in the Duramax Diesel Supplement.
To ensure proper engine performance and long life, careful attention must be paid to engine oil.
Following these si ...