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 pull the it straight out from the socket.
4. Install a new bulb into the socket, turn it clockwise, and press it in until it is tight.
5. Reinstall the lens and the four screws.
See also:
Instrument Panel Fuse Block
The instrument panel fuse block access door is located on the driver side edge of the instrument panel.
Pull off the cover to access the fuse block.
The vehicle may not be equipped with all of t ...
Clock
To set the time:
1. Press the CONFIG button to enter the menu options. Turn the TUNE/MENU knob
to scroll through the available setup features. Press the TUNE/MENU knob or press
the Time screen bu ...
Customer Assistance for Text Telephone (TTY) Users (U.S. and Canada)
To assist customers who are deaf, hard of hearing, or speech impaired and who use Text Telephones (TTYs), GMC has TTY equipment available at its Customer Assistance Center. Any TTY user can communicat ...