2020 CHEVROLET IMPALA sunroof

Chevrolet Impala Owner Manual (GMNA-Localizing-U.S./Canada-13688912) -
2020 - CRC - 6/5/19
Keys, Doors, and Windows 7
Keys, Doors, and
Windows
Keys and Locks
Keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Remote Keyless Entry (RKE)System . . . . . . . . . . . . . . . . . . . . . . . . 8
Remote Keyless Entry (RKE) System Operation . . . . . . . . . . . . . 8
Remote Vehicle Start . . . . . . . . . . 14
Door Locks . . . . . . . . . . . . . . . . . . . . 16
Power Door Locks . . . . . . . . . . . . . 18
Delayed Locking . . . . . . . . . . . . . . . 18
Automatic Door Locks . . . . . . . . . 18
Lockout Protection . . . . . . . . . . . . . 19
Safety Locks . . . . . . . . . . . . . . . . . . . 19
Doors
Trunk . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Vehicle Security
Vehicle Security . . . . . . . . . . . . . . . . 21
Vehicle Alarm System . . . . . . . . . 21
Immobilizer . . . . . . . . . . . . . . . . . . . . 22
Immobilizer Operation . . . . . . . . . 22
Exterior Mirrors
Convex Mirrors . . . . . . . . . . . . . . . . 23
Power Mirrors . . . . . . . . . . . . . . . . . . 24 Folding Mirrors . . . . . . . . . . . . . . . . . 24
Heated Mirrors . . . . . . . . . . . . . . . . . 24
Automatic Dimming Mirror . . . . . 24
Reverse Tilt Mirrors . . . . . . . . . . . . 24
Interior Mirrors
Interior Rearview Mirrors . . . . . . . 25
Manual Rearview Mirror . . . . . . . . 25
Automatic Dimming Rearview
Mirror . . . . . . . . . . . . . . . . . . . . . . . . . 25
Windows
Windows . . . . . . . . . . . . . . . . . . . . . . . 25
Power Windows . . . . . . . . . . . . . . . 26
Sun Visors . . . . . . . . . . . . . . . . . . . . . 27
Roof
Sunroof . . . . . . . . . . . . . . . . . . . . . . . . 28
Keys and Locks
Keys
{Warning
Leaving children in a vehicle with
a Remote Keyless Entry (RKE)
transmitter is dangerous and
children or others could be
seriously injured or killed. They
could operate the power windows
or other controls or make the
vehicle move. The windows will
function with the RKE transmitter
in the vehicle, and children or
others could be caught in the path
of a closing window. Do not leave
children in a vehicle with an RKE
transmitter.

Chevrolet Impala Owner Manual (GMNA-Localizing-U.S./Canada-13688912) -
2020 - CRC - 6/5/19
26 Keys, Doors, and Windows
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
Keys07.Power windows work when the
ignition is on, in ACC/ACCESSORY,
or when Retained Accessory Power
(RAP) is active. See Retained
Accessory Power (RAP) 0155.
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
Z{to engage the rear
window lockout feature. The rear
door safety locks are also
enabled. See Safety Locks019.
The indicator light is on when
engaged.
. Press
Z{again to disengage.

Chevrolet Impala Owner Manual (GMNA-Localizing-U.S./Canada-13688912) -
2020 - CRC - 6/5/19
28 Keys, Doors, and Windows
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. SeeRetained
Accessory Power (RAP) 0155.
1. Sunroof Switch
2. Sunshade Switch
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.

Chevrolet Impala Owner Manual (GMNA-Localizing-U.S./Canada-13688912) -
2020 - CRC - 6/5/19
Keys, Doors, and Windows 29
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-13688912) -
2020 - CRC - 6/11/19
Driving and Operating 155
Warning (Continued)
vehicle. Possible heater
cord and thermostat
damage could occur.
. While in use, do not let the
heater cord touch vehicle
parts or sharp edges. Never
close the hood on the
heater cord.
. Before starting the vehicle,
unplug the cord, reattach
the cover to the plug, and
securely fasten the cord.
Keep the cord away from
any moving parts.
4. Before starting the engine, be sure to unplug and store the
cord as it was before to keep it
away from moving engine
parts.
The length of time the heater should
remain plugged in depends on
several factors. Ask a dealer in the
area where you will be parking the
vehicle for the best advice on this.
Retained Accessory
Power (RAP)
Some vehicle accessories may be
used after the ignition is turned off.
The power windows and sunroof,
if equipped, will continue to work for
up to 10 minutes or until any door is
opened.
The infotainment system will
continue to work for 10 minutes,
until the driver door is opened,
or until the ignition is turned on or
placed in ACC/ACCESSORY.
Shifting Into Park
1. Hold the brake pedal down and set the parking brake. See
Electric Parking Brake 0161.
2. Move the shift lever into P (Park) by holding in the
button on the shift lever and
pushing the shift lever toward
the front of the vehicle.
3. Turn the ignition off.
Leaving the Vehicle with the
Engine Running
{Warning
It can be dangerous to leave the
vehicle with the engine running.
It could overheat and catch fire.
It is dangerous to get out of the
vehicle if the shift lever is not fully
in P (Park) with the parking brake
firmly set. The vehicle can roll.
Do not leave the vehicle when the
engine is running. If you have left
the engine running, the vehicle
can move suddenly. You or others
could be injured. To be sure the
vehicle will not move, even when
you are on fairly level ground,
always set the parking brake and
move the shift lever to P (Park).
See Shifting Into Park 0155.
If you have to leave the vehicle with
the engine running, be sure the
vehicle is in P (Park) and the
parking brake is set before you
leave it. After you have moved the

Chevrolet Impala Owner Manual (GMNA-Localizing-U.S./Canada-13688912) -
2020 - CRC - 6/5/19
228 Vehicle Care
The vehicle may not be equipped
with all of the fuses, relays, and
features shown.Fuses Usage
1 Transmission control module battery
2 Engine control module battery / A/C Clutch
3 A/C clutch
4 Engine control module battery
5 Engine control module/Ignition
6 Front wiper
7 Engine control module ignition
8 Ignition coils –even
9 Ignition coils –odd
10 Engine control module Fuses Usage
11 Mass air flow sensor/ Intake air
temperature/Humidity/
Temperature intake air
pressure/Post
catalytic converter O2
sensors
12 Starter/Starter pinion
13 Transmission control module/Chassis
control module/
Ignition
14 Cabin coolant pump
17 Ventilated front seats/ Heated steering wheel
18 Battery disconnect unit
19 Aeroshutter
20 Transmission auxiliary pump
21 Rear power window
22 Sunroof
23 Adaptive cruise control Fuses Usage
24 Front power window
25 Retained accessory power
26 ABS pump
27 Electric parking brake
28 Rear defogger
29 Passive entry/Passive start
30 Canister vent solenoid
31 Heated seat –driver
32 LED Backlight Dimming Control/Left
headlamp low-beam/
Right rear stop/turn
lamp/RAP relay/LED
ambient lighting/
Dome-reading lamps
33 Heated seat –
passenger
34 ABS valve
35 Amplifier
37 Right high-beam headlamp

Chevrolet Impala Owner Manual (GMNA-Localizing-U.S./Canada-13688912) -
2020 - CRC - 6/5/19
Service and Maintenance 277
parts, or signs of wear at least
once a year. SeeExterior Care
0 264.
. Inspect power steering for
proper attachment, connections,
binding, leaks, cracks,
chafing, etc.
. Visually inspect halfshafts and
drive shafts for excessive wear,
lubricant leaks, and/or damage
including: tube dents or cracks,
constant velocity joint or
universal joint looseness,
cracked or missing boots, loose
or missing boot clamps, center
bearing excessive looseness,
loose or missing fasteners, and
axle seal leaks.
. Check restraint system
components. See Safety System
Check 050.
. Visually inspect fuel system for
damage or leaks.
. Visually inspect exhaust system
and nearby heat shields for
loose or damaged parts. .
Lubricate body components. See
Exterior Care 0264.
. Check starter switch. See Starter
Switch Check 0217.
. Check automatic transmission
shift lock control function. See
Automatic Transmission Shift
Lock Control Function Check
0217.
. Check parking brake and
automatic transmission park
mechanism. See Park Brake and
P (Park) Mechanism Check
0 218.
. Check accelerator pedal for
damage, high effort, or binding.
Replace if needed.
. Visually inspect gas strut for
signs of wear, cracks, or other
damage. Check the hold open
ability of the strut. If the hold
open is low, service the gas
strut. See Gas Strut(s) 0219.
. Inspect sunroof track and seal,
if equipped. See Sunroof028.

Chevrolet Impala Owner Manual (GMNA-Localizing-U.S./Canada-13688912) -
2020 - CRC - 6/5/19
Index 323
ParkingBrake and P (Park)
Mechanism Check . . . . . . . . . . 218
Extended . . . . . . . . . . . . . . . . . . . . . 157
Over Things That Burn . . . . . . . 156
Parking or Backing Assistance Systems . . . . . . . . . . 176
Passenger Airbag Status Indicator . . . . . . . . . . . . . . . . . . . . . . 101
Passenger Compartment Air Filter . . . . . . . . . . . . . . . . . . . . . . . . . . 138
Passenger Sensing System . . . . . 57
Perchlorate Materials Requirements, California . . . . . . 200
Personalization Vehicle . . . . . . . . . . . . . . . . . . . . . . . .113
Power Door Locks . . . . . . . . . . . . . . . . . . . . . 18
Mirrors . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Outlets . . . . . . . . . . . . . . . . . . . . . . . . . 92
Protection, Battery . . . . . . . . . . . . 131
Retained Accessory (RAP) . . . 155
Seat Adjustment . . . . . . . . . . . . . . . . 35
Windows . . . . . . . . . . . . . . . . . . . . . . . 26
Pregnancy, Using Seat Belts . . . . 49
Privacy
Vehicle Data Recording . . . . . . . 302 Program
Courtesy Transportation . . . . . . 296
Prohibited Fuels . . . . . . . . . . . . . . . . 186
Proposition 65 Warning,
California . . . . . . . . . . . .199, 216, 259, Back Cover
Publication Ordering Information . . . . . . . . . . . . . . . . . . . . 299
R
Radio Frequency Statement . . . . 300
Reading Lamps . . . . . . . . . . . . . . . . . 129
Rear Seats . . . . . . . . . . . . . . . . . . . . . . 42
Rear Vision Camera (RVC) . . . . . 176
Rearview Mirrors . . . . . . . . . . . . . . . . 25Automatic Dimming . . . . . . . . . . . . . 25
Reclining Seatbacks . . . . . . . . . . . . . 36
Recommended Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . 185
Recommended Fluids and
Lubricants . . . . . . . . . . . . . . . . . . . . . 284
Records Maintenance . . . . . . . . . . . . . . . . . . 286
Recreational Vehicle Towing . . . . 262
Reimbursement Program, GM Mobility . . . . . . . . . . . . . . . . . . . 294 Remote Keyless Entry (RKE)
System . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Remote Vehicle Start . . . . . . . . . . . . 14
Replacement Parts Airbags . . . . . . . . . . . . . . . . . . . . . . . . . 63
Maintenance . . . . . . . . . . . . . . . . . . 285
Replacing Airbag System . . . . . . . . 63
Replacing LATCH System
Parts after a Crash . . . . . . . . . . . . . 78
Replacing Seat Belt System Parts after a Crash . . . . . . . . . . . . . 51
Reporting Safety Defects Canadian Government . . . . . . . . 301
General Motors . . . . . . . . . . . . . . . 301
U.S. Government . . . . . . . . . . . . . 300
Restraints
Where to Put . . . . . . . . . . . . . . . . . . . 69
Retained Accessory Power (RAP) . . . . . . . . . . . . . . . . . . 155
Reverse Tilt Mirrors . . . . . . . . . . . . . . 24
Roads Driving, Wet . . . . . . . . . . . . . . . . . . 144
Roadside Assistance Program . . . . . . . . . . . . . . . . . . . . . . . 294
Roof
Sunroof . . . . . . . . . . . . . . . . . . . . . . . . . 28
Rotation, Tires . . . . . . . . . . . . . . . . . . 245
Routing, Engine Drive Belt . . . . . . 289