Chevrolet/GMC 2.8L Duramax Diesel Engine Supplement (GMNA-Localizing-
U.S./Canada-14465442) - 2021 - CRC - 2/3/20
12 Instruments and Controls
2. Touch Vehicle to display a list ofavailable options.
3. Touch to select the desired feature setting.
4. Touch
9orRto turn a feature off or on.
5. Touch
zto go to the top level of the
Settings menu.
Climate and Air Quality
Select and the following may display:
Rapid Heat-Elevated Idle
This allows the feature to be turned on and
off. See “Elevated Idle” inStarting the Diesel
Engine 013.
Select Off or On.
