Flash-to-Pass
This feature is used to signal to the vehicle ahead that you want to pass.
If the headlamps are off or in the low-beam position, pull the turn signal lever toward you to momentarily switch to high beams.
Release the lever to turn the high-beam headlamps off.
See also:
Feature Settings Menu Items
The following are customization features that allow you to program settings to the vehicle:
DISPLAY IN ENGLISH
This feature will only display if a language other than English has been set. This feat ...
Roadside Assistance Program
U.S.: 1-888-881-3302
TTY Users (U.S.): 1-888-889-2438
Canada: 1-800-268-6800
Mexico: 01-800-466-0801
As the owner of a new GMC, you are automatically enrolled in the Roadside Assistance program.
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Using Universal Remote
Press and hold the appropriate Universal Remote button for at least half of a second. The indicator light will come on while the signal is being transmitted. ...