Engine Oil Additives/Engine Oil Flushes
Do not add anything to the oil. The recommended oils with the dexos specification and displaying the dexos certification mark are all that is needed for good performance and engine protection.
Engine oil system flushes are not recommended and could cause engine damage not covered by the vehicle warranty.
See also:
Disarming the System
To disarm the system, do one of the following:
○ Press on the RKE transmitter.
○ Turn the ignition to ON/RUN.
○ Allow the alarm to time out after about 30 seconds and reset itsel ...
Headlamps, Front Turn Signal, Sidemarker, and Parking Lamps
A. Side Marker Lamp
B. Low-Beam Headlamp
C. High-Beam Headlamp
D. Park/Turn Signal Lamp
1. Open the hood. See Hood on page 10‑5 2. If you are replacing the bulb on the passenger side, remo ...
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 ...





