Door Locks
To lock or unlock a door manually:
• From the inside use the door lock knob on the window sill.
• From the outside turn the key toward the front or rear of the vehicle, or press the
or
button on the Remote Keyless Entry (RKE) transmitter.
Power Door Locks

Base Model

Uplevel Model
: Press to unlock the doors.
: Press to lock the doors.
See Power Door Locks on page 2‑8.
See also:
TPMS Sensor Matching Process
Each TPMS sensor has a unique identification code. The identification code needs
to be matched to a new tire/wheel position after rotating the tires or replacing
one or more of the TPMS sensors. T ...
Traction – AA, A, B, C
The traction grades, from highest to lowest, are AA, A, B, and C. Those grades represent the tire's ability to stop on wet pavement as measured under controlled conditions on specified government test ...
Customer Assistance Offices (U.S. and Canada)
GMC encourages customers to call the toll-free number for assistance.
However, if a customer wishes to write or e-mail GMC, the letter should be addressed to:
United States
GMC Customer Assistance ...





