Auxiliary Devices

The vehicle may have a 3.5mm (1/8 in) auxiliary input jack located on the lower right side of the faceplate and for vehicles with a USB port, it is located in the instrument panel storage area.

See also:

Checking Brake Fluid
Check brake fluid by looking at the brake fluid reservoir. See Engine Compartment Overview on page 10‑6. The fluid level should be above MIN. If it is not, have the brake hydraulic system che ...

Tow/Haul Mode
Pressing this button at the end of the shift lever turns on and off the Tow/Haul Mode. This indicator light on the instrument panel cluster comes on when the Tow/Haul Mode is on. Tow/Haul is a f ...

Fuel
For diesel engine vehicles, see “Fuel for Diesel Engines” in the Duramax Diesel Supplement. For Vehicles with gasoline engines, please read this. ...