Manual Mode
See also:
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.
...
How to Check Automatic Transmission Fluid
It is not necessary to check the transmission fluid level. A transmission fluid
leak is the only reason for fluid loss. If a leak occurs, take the vehicle to your
dealer and have it repaired as so ...
Shifting out of Park
The vehicle is equipped with an electronic shift lock release system.
The shift lock release is designed to:
• Prevent ignition key removal unless the shift lever is in P (Park) with the shift lev ...





