See also:

Cruise Control Light
For vehicles equipped with cruise control, this light comes on whenever the cruise control is set. The light goes out when the cruise control is turned off. See Cruise Control on page 9‑63 fo ...

Cooling System
If the vehicle has the Duramax® Diesel engine, see the Duramax® Diesel Supplement for more information. The cooling system allows the engine to maintain the correct working temperature. 5.3 L En ...

Fluids
Proper fluid levels and approved fluids protect the vehicle’s systems and components. See Recommended Fluids and Lubricants on page 11‑12 for GM approved fluids. • Engine oil and windshiel ...