GMC Sierra
GMC Sierra

See also:
Securing Child Restraints (Center Front Seat
Position)
WARNING
A child in a child restraint in the center front seat can be badly injured or killed by the frontal airbags if they inflate. Never secure a child restraint in the center front seat. It is alw ...
Using the “Digit Store” Command
If an unwanted number is recognized by the system, say “Clear” at any time to clear the last number.
To hear all of the numbers recognized by the system, say “Verify” at any time.
1. Press a ...
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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