If the ignition key is turned to RUN or
START and the driver and/or front out-
board passenger seatbelt is not buckled
within five seconds, a chime will sound
and the message “Buckle Seatbelt” (if
the driver or driver and passenger are
not buckled) or “Buckle Passenger” (if
the passenger only is not buckled) will
flash in the Driver Information Center.
The safety belt light ( ) will also
appear for several seconds and flash for
several more seconds. If at any time
while the vehicle is running the front-
seat belts are not buckled, the mes-
sage(s) and chimes will repeat.
See Section 3 of your Owner Manual.
Getting to Know YourSierra/Sierra Denali4
Heated Front Seats (if equipped)
This feature allows you to heat the front
seatbacks and seat cushions simultane-
ously or just the seatbacks. The controls
are located on the driver and front pas-
senger door panels.
Select a heat setting for both the
seatback and seat cushion
•Press and release the horizontal
button (“A” above) until the indicator
light shows the desired setting.
Select a heat setting for the seatback
only
•Press and release the vertical button
(“B” above) until the indicator light
shows the desired setting.
See Section 1 of your Owner Manual.
Passenger Automatic Locking
Restraint (ALR)
Power Lumbar Front Seats
(if equipped)
A B
Adjust lumbar
support
•Press the front
or rear of the
control located
on the side of
the seat cush-
ion near the door. Release at the pre-
ferred setting.
Adjust outer portion of lumbar seat-
back area
•Press the top or bottom of the lumbar
control. Release at the preferred
setting.
See Section 1 of your Owner Manual.
Note:The safety belt reminder chime
cannot be deactivated.
The safety belt is designed to lock dur-
ing an accident, but it will also lock if it is
pulled out all the way during initial buck-
ling, and you may be unaware that this
has happened. If the safety belt does
lock, unbuckle it and allow it to retract
fully, then pull it out and re-buckle the
belt.
See Section 1 of your Owner Manual.
Driver and Front Passenger
Safety Belt Reminder
(if equipped)
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