Using ABS
Do not pump the brakes. Just hold the brake pedal down firmly and let ABS work. You might hear the ABS pump or motor operating and feel the brake pedal pulsate, but this is normal.
See also:
Replacing Brake System Parts
The braking system on a vehicle is complex. Its many parts have to be of top
quality and work well together if the vehicle is to have really good braking. The
vehicle was designed and tested with ...
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 ...
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 tir ...





