warning light CHEVROLET IMPALA 2020 User Guide

Chevrolet Impala Owner Manual (GMNA-Localizing-U.S./Canada-13688912) -
2020 - CRC - 6/5/19
Seats and Restraints 61
{Warning
If the front outboard passenger
airbag is turned off for an
adult-sized occupant, the airbag
will not be able to inflate and help
protect that person in a crash,
resulting in an increased risk of
serious injury or even death. An
adult-sized occupant should not
ride in the front outboard
passenger seat, if the passenger
airbag OFF indicator is lit.
Additional Factors Affecting
System Operation
Seat belts help keep the passenger
in position on the seat during
vehicle maneuvers and braking,
which helps the passenger sensing
system maintain the passenger
airbag status. See“Seat Belts”and
“Child Restraints” in the Index for
additional information about the
importance of proper restraint use. A thick layer of additional material,
such as a blanket or cushion,
or aftermarket equipment such as
seat covers, seat heaters, and seat
massagers can affect how well the
passenger sensing system
operates. We recommend that you
not use seat covers or other
aftermarket equipment except when
approved by GM for your specific
vehicle. See
Adding Equipment to
the Airbag-Equipped Vehicle 062
for more information about
modifications that can affect how
the system operates.
A wet seat can affect the
performance of the passenger
sensing system. Here is how:
. The passenger sensing system
may turn off the airbag(s) when
liquid is soaked into the seat.
If this happens, the OFF
indicator will be lit, and the
airbag readiness light on the
instrument panel will also be lit.
. Liquid pooled on the seat that
has not soaked in may make it
more likely that the passenger
sensing system will turn on the front passenger airbag(s) while a
child restraint or child occupant
is on the seat. If the outboard
passenger airbag(s) are turned
on, the ON indicator will be lit.
If the front passenger seat gets wet,
dry the seat immediately. If the
airbag readiness light is lit, do not
install a child restraint or allow
anyone to occupy the seat. See
Airbag Readiness Light 0101 for
important safety information.
The ON indicator may be lit if an
object, such as a briefcase,
handbag, grocery bag, laptop,
or other electronic device, is put on
an unoccupied seat. If this is not
desired, remove the object from
the seat.
{Warning
Stowing articles under the
passenger seat or between the
passenger seat cushion and
seatback may interfere with the
proper operation of the passenger
sensing system.

Chevrolet Impala Owner Manual (GMNA-Localizing-U.S./Canada-13688912) -
2020 - CRC - 6/5/19
Seats and Restraints 63
If the vehicle has rollover roof-rail
airbags, seeDifferent Size Tires
and Wheels 0249 for additional
important information.
If the vehicle must be modified
because you have a disability and
have questions about whether the
modifications will affect the vehicle's
airbag system, or if you have
questions about whether the airbag
system will be affected if the vehicle
is modified for any other reason, call
Customer Assistance. See
Customer Assistance Offices 0292.
Airbag System Check
The airbag system does not need
regularly scheduled maintenance or
replacement. Make sure the airbag
readiness light is working. See
Airbag Readiness Light 0101.
Caution
If an airbag covering is damaged,
opened, or broken, the airbag
may not work properly. Do not
(Continued)
Caution (Continued)
open or break the airbag
coverings. If there are any
opened or broken airbag
coverings, have the airbag
covering and/or airbag module
replaced. For the location of the
airbags, seeWhere Are the
Airbags? 053. See your dealer
for service.
Replacing Airbag System
Parts after a Crash
{Warning
A crash can damage the airbag
systems in the vehicle.
A damaged airbag system may
not properly protect you and your
passenger(s) in a crash, resulting
in serious injury or even death. To
help make sure the airbag
systems are working properly
after a crash, have them
(Continued)
Warning (Continued)
inspected and any necessary
replacements made as soon as
possible.
If an airbag inflates, you will need to
replace airbag system parts. See
your dealer for service.
If the airbag readiness light stays on
after the vehicle is started or comes
on when you are driving, the airbag
system may not work properly. Have
the vehicle serviced right away. See
Airbag Readiness Light 0101.

Chevrolet Impala Owner Manual (GMNA-Localizing-U.S./Canada-13688912) -
2020 - CRC - 6/5/19
Seats and Restraints 81
Warning (Continued)
forward-facing child restraint in
the front outboard passenger
seat, always move the seat as far
back as it will go. It is better to
secure the child restraint in a
rear seat.
SeePassenger Sensing System
0 57 for additional information.
If the child restraint uses a top
tether, see Lower Anchors and
Tethers for Children (LATCH
System) 070 for top tether anchor
locations.
Do not secure a child seat in a
position without a top tether anchor
if a national or local law requires
that the top tether be anchored, or if
the instructions that come with the
child restraint say that the top tether
must be anchored.
In Canada, the law requires that
forward-facing child restraints have
a top tether, and that the tether be
attached. When using the lap-shoulder belt to
secure the child restraint in this
position, follow the instructions that
came with the child restraint and the
following instructions:
1. Move the seat as far back as it will go before securing the
forward-facing child restraint.
Move the seat upward or the
seatback to an upright position,
if needed, to get a tight
installation of the child
restraint.
When the passenger sensing
system has turned off the front
outboard passenger frontal
airbag and knee airbag, the
OFF indicator on the
passenger airbag status
indicator should light and stay
lit when you start the vehicle.
See Passenger Airbag Status
Indicator 0101.
2. Put the child restraint on the seat.
3. Pick up the latch plate, and run the lap and shoulder portions
of the vehicle seat belt through or around the restraint. The
child restraint instructions will
show you how.
Tilt the latch plate to adjust the
belt if needed.

Chevrolet Impala Owner Manual (GMNA-Localizing-U.S./Canada-13688912) -
2020 - CRC - 6/5/19
88 Instruments and Controls
Instruments and
Controls
Controls
Steering Wheel Adjustment . . . . 89
Steering Wheel Controls . . . . . . . 89
Heated Steering Wheel . . . . . . . . 89
Horn . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
Windshield Wiper/Washer . . . . . . 90
Compass . . . . . . . . . . . . . . . . . . . . . . 91
Clock . . . . . . . . . . . . . . . . . . . . . . . . . . 91
Power Outlets . . . . . . . . . . . . . . . . . 92
Wireless Charging . . . . . . . . . . . . . 92
Warning Lights, Gauges, and
Indicators
Warning Lights, Gauges, andIndicators . . . . . . . . . . . . . . . . . . . . 95
Instrument Cluster . . . . . . . . . . . . . 96
Speedometer . . . . . . . . . . . . . . . . . . 98
Odometer . . . . . . . . . . . . . . . . . . . . . . 98
Trip Odometer . . . . . . . . . . . . . . . . . 98
Tachometer . . . . . . . . . . . . . . . . . . . . 98
Fuel Gauge . . . . . . . . . . . . . . . . . . . . 99
Engine Coolant Temperature Gauge . . . . . . . . . . . . . . . . . . . . . . 100
Seat Belt Reminders . . . . . . . . . 100
Airbag Readiness Light . . . . . . . 101 Passenger Airbag Status
Indicator . . . . . . . . . . . . . . . . . . . . 101
Charging System Light . . . . . . . 102
Malfunction Indicator Lamp (Check Engine Light) . . . . . . . . 103
Brake System Warning Light . . . . . . . . . . . . . . . . . . . . . . . . 104
Electric Parking Brake Light . . . . . . . . . . . . . . . . . . . . . . . . 105
Service Electric Parking Brake Light . . . . . . . . . . . . . . . . . . . . . . . . 105
Antilock Brake System (ABS) Warning Light . . . . . . . . . . . . . . . 106
Lane Departure Warning (LDW) Light . . . . . . . . . . . . . . . . . 106
Vehicle Ahead Indicator . . . . . . 106
Traction Off Light . . . . . . . . . . . . . 106
StabiliTrak OFF Light . . . . . . . . . 107
Traction Control System (TCS)/ StabiliTrak Light . . . . . . . . . . . . . 107
Tire Pressure Light . . . . . . . . . . . 108
Engine Oil Pressure Light . . . . 108
Low Fuel Warning Light . . . . . . 108
Security Light . . . . . . . . . . . . . . . . . 109
High-Beam On Light . . . . . . . . . . 109
Lamps On Reminder . . . . . . . . . 109
Cruise Control Light . . . . . . . . . . 109
Door Ajar Light . . . . . . . . . . . . . . . 110
Information Displays
Driver Information Center (DIC) . . . . . . . . . . . . . . . . 110
Vehicle Messages
Vehicle Messages . . . . . . . . . . . . 112
Engine Power Messages . . . . . 113
Vehicle Speed Messages . . . . . 113
Vehicle Personalization
Vehicle Personalization . . . . . . . 113
Universal Remote System
Universal Remote System . . . . 121
Universal Remote SystemProgramming . . . . . . . . . . . . . . . 121
Universal Remote System Operation . . . . . . . . . . . . . . . . . . . 123

Chevrolet Impala Owner Manual (GMNA-Localizing-U.S./Canada-13688912) -
2020 - CRC - 6/5/19
Instruments and Controls 95
Warning Lights,
Gauges, and
Indicators
Warning lights and gauges can
signal that something is wrong
before it becomes serious enough
to cause an expensive repair or
replacement. Paying attention to the
warning lights and gauges could
prevent injury.
Some warning lights come on briefly
when the engine is started to
indicate they are working. When
one of the warning lights comes on
and stays on while driving, or when
one of the gauges shows there may
be a problem, check the section that
explains what to do. Waiting to do
repairs can be costly and even
dangerous.

Chevrolet Impala Owner Manual (GMNA-Localizing-U.S./Canada-13688912) -
2020 - CRC - 6/5/19
100 Instruments and Controls
Engine Coolant
Temperature Gauge
Metric
English
This gauge shows the engine
coolant temperature.
If the gauge pointer moves toward
the shaded area, the engine is
too hot.
This reading indicates the same
thing as the warning light. It means
that the engine coolant has
overheated. If the vehicle has been
operating under normal driving
conditions, pull off the road, stop the
vehicle, and turn off the engine as
soon as possible. See Engine
Overheating 0212 for more
information.
Seat Belt Reminders
Driver Seat Belt Reminder
Light
There is a driver seat belt reminder
light on the instrument cluster.
When the vehicle is started, this
light flashes and a chime may come
on to remind the driver to fasten
their seat belt. Then the light stays
on solid until the belt is buckled.
This cycle may continue several
times if the driver remains or
becomes unbuckled while the
vehicle is moving.
If the driver seat belt is buckled,
neither the light nor the chime
comes on.

Chevrolet Impala Owner Manual (GMNA-Localizing-U.S./Canada-13688912) -
2020 - CRC - 6/5/19
Instruments and Controls 101
Passenger Seat Belt Reminder
Light
There is a passenger seat belt
reminder light near the passenger
airbag status indicator. See
Passenger Sensing System057.
When the vehicle is started, this
light flashes and a chime may come
on to remind passengers to fasten
their seat belt. Then the light stays
on solid until the belt is buckled.
This cycle continues several times if
the passenger remains or becomes
unbuckled while the vehicle is
moving.
If the passenger seat belt is
buckled, neither the chime nor the
light comes on.
The front passenger seat belt
reminder light and chime may turn
on if an object is put on the seat such as a briefcase, handbag,
grocery bag, laptop, or other
electronic device. To turn off the
reminder light and/or chime, remove
the object from the seat or buckle
the seat belt.
Airbag Readiness Light
This light shows if there is an
electrical problem with the airbag
system. The system check includes
the airbag sensor(s), the passenger
sensing system, the pretensioners,
the airbag modules, the wiring, and
the crash sensing and diagnostic
module. For more information on the
airbag system, see
Airbag System
0 51.
The airbag readiness light comes on
for several seconds when the
vehicle is started. If the light does
not come on then, have it fixed
immediately.
{Warning
If the airbag readiness light stays
on after the vehicle is started or
comes on while driving, it means
the airbag system might not be
working properly. The airbags in
the vehicle might not inflate in a
crash, or they could even inflate
without a crash. To help avoid
injury, have the vehicle serviced
right away.
If there is a problem with the airbag
system, a Driver Information Center
(DIC) message may also come on.
Passenger Airbag Status
Indicator
The vehicle has a passenger
sensing system. See Passenger
Sensing System 057 for important

Chevrolet Impala Owner Manual (GMNA-Localizing-U.S./Canada-13688912) -
2020 - CRC - 6/5/19
102 Instruments and Controls
safety information. The passenger
airbag status indicator is in the
overhead console.
United States
Canada
When the vehicle is started, the
passenger airbag status indicator
will light ON and OFF, or the symbol
for on and off, for several seconds
as a system check. Then, after
several more seconds, the status
indicator will light either ON or OFF,
or the on or off symbol, to let you
know the status of the front
outboard passenger frontal airbag
and knee airbag. If the word ON or the on symbol is
lit on the passenger airbag status
indicator, it means that the front
outboard passenger frontal airbag
and knee airbag are allowed to
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 front
outboard passenger frontal airbag
and knee 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
with the airbag system. To help
avoid injury to yourself or others,
have the vehicle serviced right
(Continued)
Warning (Continued)
away. SeeAirbag Readiness
Light 0101 for more information,
including important safety
information.
Charging System Light
The charging system light comes on
briefly when the ignition is turned
on, but the engine is not running, as
a check to show the light is working.
The light turns off when the engine
is started. If it does not, have the
vehicle serviced by your dealer.
If the light stays on, or comes on
while driving, there may be a
problem with the electrical charging
system. Have it checked by your
dealer. Driving while this light is on
could drain the battery.

Chevrolet Impala Owner Manual (GMNA-Localizing-U.S./Canada-13688912) -
2020 - CRC - 6/5/19
104 Instruments and Controls
previous guidelines and see your
dealer for service as soon as
possible.
If the light is on steady :A
malfunction has been detected.
Diagnosis and service may be
required.
Check the following:
. A loose or missing fuel cap may
cause the light to come on. See
Filling the Tank 0187. A few
driving trips with the cap
properly installed may turn the
light off.
. Poor fuel quality can cause
inefficient engine operation and
poor driveability, which may go
away once the engine is warmed
up. If this occurs, change the
fuel brand. It may require at
least one full tank of the proper
fuel to turn the light off. See
Recommended Fuel 0185.
If the light remains on, see your
dealer.Emissions Inspection and
Maintenance Programs
If the vehicle requires an Emissions
Inspection/Maintenance test, the
test equipment will likely connect to
the vehicle's Data Link
Connector (DLC).
The DLC is under the instrument
panel to the left of the steering
wheel. Connecting devices that are
not used to perform an Emissions
Inspection/Maintenance test or to
service the vehicle may affect
vehicle operation. See Add-On
Electrical Equipment 0197. See
your dealer if assistance is needed.
The vehicle may not pass
inspection if:
. The light is on when the engine
is running. .
The light does not come on
when the ignition is in
Service Mode.
. Critical emission control systems
have not been completely
diagnosed. If this happens, the
vehicle would not be ready for
inspection and might require
several days of routine driving
before the system is ready for
inspection. This can happen if
the 12-volt battery has recently
been replaced or run down, or if
the vehicle has been recently
serviced.
See your dealer if the vehicle will
not pass or cannot be made ready
for the test.
Brake System Warning
Light
MetricEnglish

Chevrolet Impala Owner Manual (GMNA-Localizing-U.S./Canada-13688912) -
2020 - CRC - 6/5/19
Instruments and Controls 105
This light should come on briefly
when the vehicle is turned on. If it
does not come on then, have it fixed
so it will be ready to warn you if
there is a problem.
If the light comes on and stays on at
start up, there is a brake problem.
Have the brake system inspected
right away.
If the light comes on while driving,
pull off the road and stop carefully.
The brake pedal might be harder to
push, or the brake pedal may go
closer to the floor. It could take
longer to stop. If the light is still on,
have the vehicle towed for service.
SeeTowing the Vehicle 0262.
{Warning
The brake system might not be
working properly if the brake
system warning light is on.
Driving with the brake system
warning light on can lead to a
crash. If the light is still on after
the vehicle has been pulled off
(Continued)
Warning (Continued)
the road and carefully stopped,
have the vehicle towed for
service.
Electric Parking Brake
Light
MetricEnglish
This light comes on when the
parking brake is applied. If the light
continues flashing after the parking
brake is released, or while driving,
there is a problem with the Electric
Parking Brake system. A message
may also display in the Driver
Information Center (DIC).
If the light does not come on,
or remains flashing, see your dealer.
Service Electric Parking
Brake Light
This light should come on briefly
when starting the vehicle. If it does
not come on, have it fixed so it will
be ready to warn if there is a
problem.
If this light stays on, take the vehicle
to your dealer as soon as possible.
See the information for the Electric
Parking Brake under Electric
Parking Brake 0161. A message
may also display in the Driver
Information Center (DIC).