Engine Oil
For diesel engine vehicles, see “Engine Oil” in the Duramax Diesel Supplement.
To ensure proper engine performance and long life, careful attention must be paid to engine oil.
Following these simple, but important steps will help protect your investment:
• Always use engine oil approved to the proper specification and of the proper viscosity grade. See “Selecting the Right Engine Oil” in this section.
• Check the engine oil level regularly and maintain the proper oil level. See “Checking Engine Oil” and “When to Add Engine Oil” in this section.
• Change the engine oil at the appropriate time. See Engine Oil Life System on page 10‑10.
• Always dispose of engine oil properly. See “What to Do with Used Oil” in this section.
See also:
Four-Wheel-Drive Vehicles
Use the following procedure to dolly tow a four-wheel-drive vehicle from the rear:
1. Attach the dolly to the tow vehicle following the dolly manufacturer's instructions.
2. Drive the rear wheels on ...
Erasing Universal Home Remote Buttons
The programmed buttons should be erased when the vehicle is sold or the lease ends.
To erase either Rolling Code or Fixed Code settings on the Universal Home Remote device:
1. Press and hold the two ...
Shutting the Engine Off After a Remote Start
To manually shut off a remote start:
• Aim the RKE transmitter at the vehicle and press until the parking lamps turn off.
• Turn on the hazard warning flashers.
• Turn the ignition switch on ...





