Engine Coolant
The cooling system in the vehicle is filled with DEX-COOL® engine coolant. The coolant is designed to remain in the vehicle for 5 years or 240 000 km (150,000 mi), whichever occurs first.
The following explains the cooling system and how to check and add coolant when it is low. If there is a problem with engine overheating, see Engine Overheating on page 10‑18.
See also:
Vehicle Overview
The GMC Sierra 1500 and Chevrolet Silverado share the same platform, but the
GMC product is often positioned as a more upscale offering. Mechanically, the
trucks are the same. There might be sligh ...
Passenger Compartment Air Filter
The filter removes dust, pollen, and other airborne irritants from outside air
that is pulled into the vehicle.
The filter should be replaced as part of routine scheduled maintenance. See Maintenan ...
Trailer Brake DIC Display Page
The ITBC system displays messages on the vehicle’s Driver Information Center (DIC). See Driver Information Center (DIC) on page 5‑33 for more information.
The display page indicates Trailer G ...





