Black plate (19,1)
GMC Sierra Denali Owner Manual - 2013 - 2nd Edition - 8/27/12
Instruments and Controls
5-19
symbol to let you know the status of
the right front passenger frontal
airbag.
If the word ON or the on symbol is
lit on the passenger airbag status
indicator, it means that the right
front passenger frontal airbag is
enabled (may inflate).
If the word OFF or the off symbol is
lit on the airbag status indicator, it
means that the passenger sensing
system has turned off the right front
passenger frontal airbag.
If, after several seconds, both status
indicator lights remain on, or if there
are no lights at all, there may be a
problem with the lights or the
passenger sensing system. See
your dealer for service.
{
WARNING
If the airbag readiness light ever
comes on and stays on, it means
that something may be wrong
(Continued)
WARNING (Continued)
with the airbag system. To help
avoid injury to yourself or others,
have the vehicle serviced right
away. See
Airbag Readiness
Light on page 5
‑
17
for more
information, including important
safety information.
Charging System Light
This light comes on briefly when the
ignition key is turned to START, but
the engine is not running, as a
check to show it is working.
If it does not, have the vehicle
serviced by your dealer.
The light should go out once the
engine starts. If it stays on,
or comes on while driving, there
could be a problem with the
charging system. A charging system
message in the Driver Information
Center (DIC) can also appear. See
Battery Voltage and Charging
Messages on page 5
‑
35
for more
information. This light could indicate
that there are problems with a
generator drive belt, or that there is
an electrical problem. Have it
checked right away. If the vehicle
must be driven a short distance with
the light on, turn off accessories,
such as the radio and air
conditioner.
Malfunction
Indicator Lamp
A computer system called OBD II
(On-Board Diagnostics-Second
Generation) monitors the operation
of the vehicle to ensure emissions
are at acceptable levels, helping to
maintain a clean environment. The
malfunction indicator lamp comes
Summary of Contents for 2013 GMC Sierra Denali
Page 30: ...Black plate 24 1 GMC Sierra Denali Owner Manual 2013 2nd Edition 8 27 12 1 24 In Brief 2 NOTES...
Page 166: ...Black plate 10 1 GMC Sierra Denali Owner Manual 2013 2nd Edition 8 27 12 6 10 Lighting 2 NOTES...
Page 347: ...Black plate 35 1 GMC Sierra Denali Owner Manual 2013 2nd Edition 8 27 12 Vehicle Care 10 35...
Page 470: ...Black plate 14 1 GMC Sierra Denali Owner Manual 2013 2nd Edition 8 27 12 i 14 INDEX 2 NOTES...