Engine Air Cleaner/Filter
If the vehicle has a diesel engine, see “Pickup Models” under “Engine Air Cleaner/Filter” in the Duramax® Diesel Supplement for the correct inspection and replacement procedures.
See Engine Compartment Overview on page 10‑6 for the location of the engine air cleaner/filter.
See also:
Cruise Control Light
The cruise control light is white whenever the cruise control is set, and turns
green when the cruise control is active.
The light turns off when the cruise control is turned off. See Cruise Cont ...
Trailer Wiring Harness
Basic Trailer Wiring
The trailer wiring harness, with a seven-pin connector, is located at the rear of the vehicle and is tied to the vehicle's frame. The harness connector can be plugged into a seve ...
New Vehicle Break-In
Notice: The vehicle does not need an elaborate break-in.
But it will perform better in the long run if you follow these guidelines:
• If you have all-wheel drive, keep your speed at 88 km/h (55 mp ...





