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:
Overview
The GMC Sierra All Terrain HD concept is an exploration of heavy-duty truck
capability combined with greater off-road versatility. It is highlighted by a
bold exterior design, enhanced all-terrain ...
Guidelines
The RVC system has a guideline overlay that can help the driver align the vehicle when backing into a parking spot.
If the vehicle has dual rear wheels, this feature will not be available.
To turn t ...
Obstacle Detection Features
If the liftgate encounters an obstacle during a power open or close cycle, a
warning chime will sound and the liftgate will automatically reverse direction to
the full closed or open position. Aft ...