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:
Replacing Airbag System Parts after a Crash
WARNING
A crash can damage the airbag systems in the vehicle. A damaged airbag system
may not work properly and may not protect you and your passenger(s) in a crash,
resulting in serious injury o ...
Making a Call Using Phone Book
For cell phones that support the phone book feature, the Bluetooth system can
use the contacts stored on your cell phone to make calls. See your cell phone manufacturer”s
user guide or contact y ...
With Airbag Off Switch
This vehicle has airbags. A rear seat is a safer place to secure a forward-facing child restraint. See Where to Put the Restraint on page 3‑49.
There may be a switch in the glove box that you c ...