CHEVROLET IMPALA 2018 Service Manual

Chevrolet Impala Owner Manual (GMNA-Localizing-U.S./Canada-11348316) -
2018 - CRC - 8/22/17
40 Keys, Doors, and Windows
Warning (Continued)
and set the fan speed to the
highest setting. See
“Climate Control Systems”
in the Index.
. If the vehicle is equipped
with a power liftgate, disable
the power liftgate function.
For more information about
carbon monoxide, see Engine
Exhaust 0174.
To open the trunk:
.
Press
|with the transmission
in P (Park).
. Press and hold
Yon the RKE
transmitter.
. If equipped, press the touch pad
on the underside of the trunk lid
after unlocking all doors.
The RKE transmitter must be within
1 m (3 ft) of the trunk. Press the
touch pad on the underside of the
trunk lid and lift to open. See
Remote Keyless Entry (RKE)
System Operation 028.
When closing the trunk, use the
pull cup.
Emergency Trunk Release
Handle
Caution
Do not use the emergency trunk
release handle as a tie-down or
anchor point when securing items
in the trunk as it could damage
the handle.
If equipped, there is a
glow-in-the-dark emergency trunk
release handle on the trunk lid. This
handle will glow following exposure
to light. Pull the release handle to
open the trunk from the inside.
After use, return to the stored
position.

Chevrolet Impala Owner Manual (GMNA-Localizing-U.S./Canada-11348316) -
2018 - CRC - 8/22/17
Keys, Doors, and Windows 41
Vehicle Security
This vehicle has theft-deterrent
features; however, they do not make
the vehicle impossible to steal.
Vehicle Alarm System
This vehicle has an anti-theft alarm
system.
The indicator light, on the
instrument panel near the
windshield, indicates the status of
the system:
Off :Alarm system is disarmed. On Solid :
Vehicle is secured
during the delay to arm the system.
Fast Flash : Vehicle is unsecured.
A door, the hood, or the trunk
is open.
Slow Flash : Alarm system is
armed.
Arming the Alarm System
1. Close the trunk and the hood. Turn off the vehicle.
2. Lock the vehicle in one of three ways:
.Use the RKE transmitter.
. Use the Keyless Access
system.
. With a door open, press the
inside
Q.
3. After 30 seconds the alarm system will arm, and the
indicator light will begin to
slowly flash indicating the
alarm system is operating.
Pressing
Qon the RKE
transmitter a second time will bypass the 30-second delay
and immediately arm the alarm
system.
If the driver door is opened without
first unlocking with the RKE
transmitter, the lights will flash to
indicate pre-alarm. If the vehicle is
not started, or the door is not
unlocked by pressing
Kon the RKE
transmitter during the 10–second
pre-alarm, the alarm will be
activated.
If a door, the hood, or the trunk is
opened without first disarming the
system, the turn signals will flash for
about 30 seconds. The alarm
system will then re-arm to monitor
for the next unauthorized event.
The theft-deterrent alarm system will
not arm if the doors are locked with
the key.
Disarming the Alarm System
To disarm the alarm system or turn
off the alarm if it has been activated:
. Press
Kon the RKE transmitter.

Chevrolet Impala Owner Manual (GMNA-Localizing-U.S./Canada-11348316) -
2018 - CRC - 8/22/17
42 Keys, Doors, and Windows
.Unlock the vehicle using the
Keyless Access system.
. Start the vehicle.
To avoid setting off the alarm by
accident:
. Lock the vehicle after all
occupants have left the vehicle
and all doors are closed.
. Always unlock a door with the
RKE transmitter or use the
Keyless Access system,
if equipped.
Unlocking the driver door with the
key will not disarm the system or
turn off the alarm.
How to Detect a Tamper
Condition
IfKis pressed on the transmitter
and the lights flash three times, an
alarm occurred previously while the
alarm system was armed.
If the alarm has been activated, a
message will appear on the Driver
Information Center (DIC).
Immobilizer
See Radio Frequency Statement
0 317.
Immobilizer Operation
This vehicle has a passive
theft-deterrent system.
The system does not have to be
manually armed or disarmed.
The vehicle is automatically
immobilized when the transmitter
leaves the vehicle.
The immobilization system is
disarmed when ENGINE START/
STOP is pressed and a valid RKE
transmitter is found in the vehicle.
The security light in the instrument
cluster comes on when there is a
problem with arming or disarming
the theft-deterrent system. The system has one or more
transmitters matched to an
immobilizer control unit in your
vehicle. Only a correctly matched
transmitter will start the vehicle.
If the transmitter is ever damaged,
you may not be able to start your
vehicle.
When trying to start the vehicle, the
security light comes on briefly when
the ignition is turned on.
If the engine does not start and the
security light stays on, there is a
problem with the system. Turn the
vehicle off and try again.
If the RKE transmitter appears to be
undamaged, try another transmitter.
Or, you may try placing the
transmitter in the transmitter pocket
in the center console. See
“Starting
the Vehicle with a Low Transmitter
Battery or Wireless Interference”
under Remote Keyless Entry (RKE)
System Operation 028.
If the engine does not start with the
other transmitter or when the
transmitter is in the pocket in the
center console, your vehicle needs

Chevrolet Impala Owner Manual (GMNA-Localizing-U.S./Canada-11348316) -
2018 - CRC - 8/22/17
Keys, Doors, and Windows 43
service. See your dealer who can
service the theft-deterrent system
and have a new transmitter
programmed to the vehicle.
Do not leave the transmitter or
device that disarms or deactivates
the theft-deterrent system in the
vehicle.Exterior Mirrors
Convex Mirrors
Caution
A convex mirror can make things,
like other vehicles, look farther
away than they really are. If you
cut too sharply into the right lane,
you could hit a vehicle on the
right. Check the inside mirror or
glance over your shoulder before
changing lanes.
The passenger side mirror is convex
shaped. A convex mirror's surface is
curved so more can be seen from
the driver seat.
Power Mirrors
1. Move the selector switch to L (Left) or R (Right) to choose
the driver or passenger mirror.
2. Press one of the four arrows to move the mirror.
3. Move the selector switch to
)
to deselect the mirror.
Memory Mirrors
The vehicle may have memory
mirrors. See Memory Seats 056.

Chevrolet Impala Owner Manual (GMNA-Localizing-U.S./Canada-11348316) -
2018 - CRC - 8/22/17
44 Keys, Doors, and Windows
Side Blind Zone Alert (SBZA)
The vehicle may have SBZA. See
Side Blind Zone Alert (SBZA)0198.
Lane Change Alert (LCA)
The vehicle may have LCA. See
Lane Change Alert (LCA) 0198.
Turn Signal Indicator
The vehicle may have a turn signal
indicator on the mirror housings.
The indicator will flash when a turn
signal or the hazard warning
flashers are used.
Puddle Light
The vehicle may have a puddle light
on the mirror housings. The light will
illuminate the ground when the door
is opened.
Folding Mirrors
Manual Folding Mirrors
The vehicle has manual folding
mirrors. These mirrors can be folded
inward to prevent damage when
going through an automatic car wash. To fold, pull the mirror toward
the vehicle. Push the mirror outward
to return it to the original position.
Heated Mirrors
If equipped with heated mirrors:
K:
The rear window defogger also
heats the outside mirrors.
See Dual Automatic Climate Control
System 0150.
Automatic Dimming
Mirror
The vehicle has an automatic
dimming outside mirror on the driver
side. The mirror will adjust for the
glare of headlamps behind you.
Reverse Tilt Mirrors
If equipped with memory seats, the
passenger and/or driver mirror tilts
to a preselected position when the
vehicle is in R (Reverse). This
allows the curb to be seen when
parallel parking. The mirror(s) return to the original
position when:
.
The vehicle is shifted out of
R (Reverse), or remains in
R (Reverse) for about
30 seconds.
. The ignition is turned off.
. The vehicle is driven in
R (Reverse) above a set speed.
To turn this feature on or off, see
Vehicle Personalization 0128.

Chevrolet Impala Owner Manual (GMNA-Localizing-U.S./Canada-11348316) -
2018 - CRC - 8/22/17
Keys, Doors, and Windows 45
Interior Mirrors
Interior Rearview Mirrors
Adjust the rearview mirror for a clear
view of the area behind the vehicle.
Do not spray glass cleaner directly
on the mirror. Use a soft towel
dampened with water.
Manual Rearview Mirror
If equipped with a manual rearview
mirror, push the tab forward for
daytime use and pull it for nighttime
use to avoid glare from the
headlamps from behind.
Automatic Dimming
Rearview Mirror
If equipped, automatic dimming
reduces the glare of headlamps
from behind. The dimming feature
comes on when the vehicle is
started.
Windows
{Warning
Never leave a child, a helpless
adult, or a pet alone in a vehicle,
especially with the windows
closed in warm or hot weather.
They can be overcome by the
extreme heat and suffer
permanent injuries or even death
from heat stroke.
The vehicle aerodynamics are
designed to improve fuel economy
performance. This may result in a
pulsing sound when either rear
window is down and the front
windows are up. To reduce the
sound, open either a front window
or the sunroof, if equipped.
Power Windows
{Warning
Children could be seriously
injured or killed if caught in the
path of a closing window. Never
leave the Remote Keyless Entry
(RKE) transmitter in a vehicle with
children. When there are children
in the rear seat, use the window
lockout switch to prevent
operation of the windows. See
Keys027.

Chevrolet Impala Owner Manual (GMNA-Localizing-U.S./Canada-11348316) -
2018 - CRC - 8/22/17
46 Keys, Doors, and Windows
Power windows work when the
ignition is on, in ACC/ACCESSORY,
or when Retained Accessory Power
(RAP) is active. SeeRetained
Accessory Power (RAP) 0172.
Using the window switch, press to
open or pull to close the window.
The windows may be temporarily
disabled if they are used repeatedly
within a short time.
Window Lockout
This feature stops the rear window
switches from working.
. Press
Zto engage the rear
window lockout feature. The
indicator light is on when
engaged.
. Press
Zagain to disengage.
Window Express Movement
All windows can be opened without
holding the window switch. Press
the switch down fully and quickly
release to express open the
window. If equipped, pull the window switch
up fully and quickly release to
express close the window.
Briefly press or pull the window
switch in the same direction to stop
that window’s express movement.
Window Automatic Reversal
System
The express-close feature will
reverse window movement if it
comes in contact with an object.
Extreme cold or ice could cause the
window to auto-reverse. The
window will operate normally after
the object or condition is removed.
Automatic Reversal System
Override
{Warning
If automatic reversal system
override is active, the window will
not reverse automatically. You or
others could be injured and the
window could be damaged.
Before using automatic reversal
(Continued)

Chevrolet Impala Owner Manual (GMNA-Localizing-U.S./Canada-11348316) -
2018 - CRC - 8/22/17
Keys, Doors, and Windows 47
Warning (Continued)
system override, make sure that
all people and obstructions are
clear of the window path.
When the engine is on, override the
automatic reversal system by pulling
and holding the window switch if
conditions prevent it from closing.
Programming the Power
Windows
Programming may be necessary if
the vehicle battery has been
disconnected or discharged. If the
window is unable to express-up,
program each express-close
window: 1. Close all doors.
2. Turn the ignition on or to ACC/ ACCESSORY.
3. Partially open the window to be programmed. Then close it and
continue to pull the switch
briefly after the window has
fully closed. 4. Open the window and continue
to press the switch briefly after
the window has fully opened.
Sun Visors
Pull the sun visor down to block
glare. Detach the sun visor from the
center mount to pivot to the side
window, or to extend along the rod.
Roof
Sunroof
If equipped with a sunroof, the
ignition must be on or in ACC/
ACCESSORY, or Retained
Accessory Power (RAP) must be
active to operate the sunroof and
power sunshade. See Retained
Accessory Power (RAP) 0172.
1. Sunroof Switch
2. Sunshade Switch

Chevrolet Impala Owner Manual (GMNA-Localizing-U.S./Canada-11348316) -
2018 - CRC - 8/22/17
48 Keys, Doors, and Windows
Sunroof Switch
Express-Open/Express-Close :
Fully press and release
Dto
express-open the sunroof. Fully
press and release
gto
express-close the sunroof.
Open/Close (Manual Mode) :
Press and hold
Dto open the
sunroof. Release
Dat the desired
position to stop movement. Press
and hold
gto close the sunroof.
Vent Feature : Press
Dto the first
detent to open the vent. Press
g
to the first detent to close the vent.
The sunshade partially opens and
closes automatically during the vent
operation.
Sunshade Switch
Express-Open/Express-Close :
Fully press and release the front or
rear of
Qto express-open or
express-close the sunshade. If the
sunroof is open, the sunshade will
express-close just short of the open
sunroof. Open/Close (Manual Mode) :
Press and hold the front or rear of
Qto open or close the sunshade.
Release the switch to stop at the
desired position.
Automatic Reversal System
The sunroof has an automatic
reversal system that is only active
when the sunroof is operated in
express-close mode.
If an object is in the path while
express closing, the reversal system
will detect an object, stop, and open
the sunroof again.
If frost or other conditions prevent
closing, override the feature by
closing the sunroof in manual
mode. To stop movement, release
the switch.
Dirt and debris may collect on the
sunroof seal or in the track. This
could cause an issue with sunroof
operation or noise. It could also plug
the water drainage system.
Periodically open the sunroof and
remove any obstacles or loose
debris. Wipe the sunroof seal and
roof sealing area using a clean
cloth, mild soap, and water. Do not
remove grease from the sunroof.
If water is seen dripping into the
water drainage system, this is
normal.

Chevrolet Impala Owner Manual (GMNA-Localizing-U.S./Canada-11348316) -
2018 - CRC - 8/22/17
Seats and Restraints 49
Seats and
Restraints
Head Restraints
Head Restraints . . . . . . . . . . . . . . . 50
Front Seats
Seat Adjustment . . . . . . . . . . . . . . . 53
Power Seat Adjustment . . . . . . . . 54
Lumbar Adjustment . . . . . . . . . . . . 55
Reclining Seatbacks . . . . . . . . . . . 55
Memory Seats . . . . . . . . . . . . . . . . . 56
Heated and Ventilated FrontSeats . . . . . . . . . . . . . . . . . . . . . . . . . 59
Rear Seats
Rear Seats . . . . . . . . . . . . . . . . . . . . 60
Seat Belts
Seat Belts . . . . . . . . . . . . . . . . . . . . . 62
How to Wear Seat BeltsProperly . . . . . . . . . . . . . . . . . . . . . . 63
Lap-Shoulder Belt . . . . . . . . . . . . . 64
Seat Belt Use During Pregnancy . . . . . . . . . . . . . . . . . . . . 66
Seat Belt Extender . . . . . . . . . . . . . 67
Safety System Check . . . . . . . . . . 67
Seat Belt Care . . . . . . . . . . . . . . . . . 67 Replacing Seat Belt System
Parts after a Crash . . . . . . . . . . . 68
Airbag System
Airbag System . . . . . . . . . . . . . . . . . 68
Where Are the Airbags? . . . . . . . 70
When Should an AirbagInflate? . . . . . . . . . . . . . . . . . . . . . . . 71
What Makes an Airbag Inflate? . . . . . . . . . . . . . . . . . . . . . . . 72
How Does an Airbag Restrain? . . . . . . . . . . . . . . . . . . . . . 73
What Will You See after an Airbag Inflates? . . . . . . . . . . . . . . 73
Passenger Sensing System . . . 74
Servicing the Airbag-Equipped Vehicle . . . . . . . . . . . . . . . . . . . . . . . 79
Adding Equipment to the Airbag-Equipped Vehicle . . . . . 79
Airbag System Check . . . . . . . . . . 80
Replacing Airbag System Parts after a Crash . . . . . . . . . . . . . . . . . 80
Child Restraints
Older Children . . . . . . . . . . . . . . . . . 81
Infants and Young Children . . . . 82
Child Restraint Systems . . . . . . . 85
Where to Put the Restraint . . . . . 86
Lower Anchors and Tethers forChildren (LATCH System) . . . . 87 Replacing LATCH System Parts
After a Crash . . . . . . . . . . . . . . . . . 93
Securing Child Restraints (With the Seat Belt in the
Rear Seat) . . . . . . . . . . . . . . . . . . . 94
Securing Child Restraints (With the Seat Belt in the
Front Seat) . . . . . . . . . . . . . . . . . . . 96