2010 GMC Sierra 1500 Review
See also:
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
but ...
Object Detection System Messages
PARK ASST (Assist) BLOCKED SEE OWNERS MANUAL
This message displays if there is something interfering with the park assist system. See Ultrasonic Parking Assist on page 9‑34 for more information ...
TTY Users
OnStar has the ability to communicate to the deaf, hard&-ofhearing, or speech&-impaired
customers while in the vehicle. The available dealer&-installed TTY system can provide
in-vehicl ...





