Charging system light, Malfunction indicator lamp, Charging system light -20 malfunction – CHEVROLET 2011 Suburban User Manual

Page 162: Indicator lamp -20

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Chevrolet Tahoe/Suburban Owner Manual - 2011

5-20

Instruments and Controls

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.

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WARNING

If the airbag readiness light ever
comes on and stays on, it means
that something may be wrong
with the airbag system. To help
avoid injury to yourself or others,
have the vehicle serviced right
away. See Airbag Readiness
Light on page 5‑18
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 5‑36
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.

If the vehicle is a hybrid, see the
hybrid supplement for more
information.

Malfunction
Indicator Lamp

A computer system called OBD II
(On-Board Diagnostics-Second
Generation) monitors operation of
the fuel, ignition, and emission
control systems. It ensures that
emissions are at acceptable levels
for the life of the vehicle, helping to
produce a cleaner environment.

This light should come on when
the ignition is on, but the engine
is not running, as a check to

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