Fuel
For diesel engine vehicles, see “Fuel for Diesel Engines” in the Duramax Diesel Supplement.
For Vehicles with gasoline engines, please read this.
See also:
Protecting Exterior Bright Metal Parts
Regularly clean bright metal parts with water or chrome polish on chrome or stainless
steel trim, if necessary.
For aluminum, never use auto or chrome polish, steam, or caustic soap to clean.
A c ...
Taillamps (Chassis Cab Models)
A. Backup Lamp
B. Stoplamp/Taillamp/Turn Signal Lamp
To replace one of these bulbs:
1. Remove the four screws.
2. Lift the lens off the lamp assembly.
3. Turn the old bulb counterclockwise and ...
Reverse Gear Wipes
If the rear wiper control is off, the rear wiper will automatically operate continuously
when the shift lever is in R (Reverse), and the front windshield wiper is performing
low or high speed wipe ...





