
Chevrolet Impala Owner Manual (GMNA-Localizing-U.S./Canada-11348316) -
2018 - CRC - 8/22/17
326 OnStar
3. Say the entire number withoutpausing, including a “1”and the
area code. System responds:
“OK, calling.”
Calling 911 Emergency
1. Press=. System responds:
“OnStar ready.”
2. Say “Call.”System responds:
“Call. Please say the name or
number to call.”
3. Say “911”without pausing.
System responds: “911.”
4. Say “Call.”System responds:
“OK, dialing 911.”
Retrieve My Number
1. Press=. System responds:
“OnStar ready.”
2. Say “My number.” System
responds: “Your OnStar
Hands-Free Calling number is,”
then says the number.
End a Call
Press=. System responds: “Call
ended.”
Verify Minutes and Expiration
Press=and say “Minutes” then
“Verify” to check how many minutes
remain and their expiration date.
Diagnostics
By monitoring and reporting on the
vehicle’s key systems, OnStar
Advanced Diagnostics provides a
way to keep up on maintenance.
Capabilities vary by model. See
www.onstar.com for details and
system limitations. Message and
data rates may apply. Advanced
Diagnostics requires an active
OnStar paid service plan, e-mail
address on file, and enrollment in
Advanced Diagnostics.
Includes:
. Diagnostic Alerts: Set
preferences to receive real-time
e-mails, texts, or monthly
reports of the vehicle’s health.
Or press
Qto have an Advisor
initiate a remote diagnostic
report. .
Proactive Alerts: Receive a
real-time e-mail or text message
regarding potential issues with
key vehicle components, such
as the battery, fuel system,
or starter system. Alerts for
potential issues appear on the
infotainment display. Proactive
Alerts are designed to help
predict specific types of issues
based on information collected
from the vehicle. Other factors
may affect vehicle performance.
Not all issues will deliver alerts.
In some cases, a dealer service
check may be required to
confirm the accuracy of the
alerts.
. Dealer Maintenance Notification:
Have the vehicle notify your
preferred dealer when it is time
for maintenance. Your dealer will
then contact you to set up an
appointment.
To begin, pressQto speak to an
Advisor, or see www.onstar.com.

Chevrolet Impala Owner Manual (GMNA-Localizing-U.S./Canada-11348316) -
2018 - CRC - 8/22/17
Index 333
IndexA
Accessories andModifications . . . . . . . . . . . . . . . . . . 215
Accessory Power . . . . . . . . . . . . . . . 172
Adaptive Cruise Control . . . . . . . . 184
Add-On Electrical Equipment . . . 211
Additional Information OnStar . . . . . . . . . . . . . . . . . . . . . . . 327
Additional Maintenance and Care . . . . . . . . . . . . . . . . . . . . . . 298
Adjustments Lumbar, Front Seats . . . . . . . . . . . . 55
Air Cleaner/Filter, Engine . . . . . . . 224
Air Conditioning . . . . . . . . . . . 147, 150
Air Filter, Passenger Compartment . . . . . . . . . . . . . . . . . 155
Air Vents . . . . . . . . . . . . . . . . . . . . . . . 154
Airbag System Check . . . . . . . . . . . . . . . . . . . . . . . . . . 80
How Does an Airbag
Restrain? . . . . . . . . . . . . . . . . . . . . . 73
Passenger Sensing System . . . . 74
What Makes an Airbag Inflate? . . . . . . . . . . . . . . . . . . . . . . . . 72
What Will You See after an Airbag Inflates? . . . . . . . . . . . . . . . 73
When Should an Airbag Inflate? . . . . . . . . . . . . . . . . . . . . . . . . 71 Airbag System (cont'd)
Where Are the Airbags? . . . . . . . . 70
Airbags Adding Equipment to the
Vehicle . . . . . . . . . . . . . . . . . . . . . . . . 79
Passenger Status Indicator . . . .116
Readiness Light . . . . . . . . . . . . . . .116
Servicing Airbag-Equipped Vehicles . . . . . . . . . . . . . . . . . . . . . . . 79
System Check . . . . . . . . . . . . . . . . . . 68
Alarm Vehicle Security . . . . . . . . . . . . . . . . 41
Alert Lane Change . . . . . . . . . . . . . . . . . 198
Side Blind Zone (SBZA) . . . . . . 198
All-Season Tires . . . . . . . . . . . . . . . . 249
Antilock Brake System (ABS) . . . 178 Warning Light . . . . . . . . . . . . . . . . . 121
Appearance Care Exterior . . . . . . . . . . . . . . . . . . . . . . . 281
Interior . . . . . . . . . . . . . . . . . . . . . . . . 286
Assistance Program, Roadside . . . . . . . . . . . . . . . . . . . . . . 311
Assistance Systems for Driving . . . . . . . . . . . . . . . . . . . . . . . . 195
Assistance Systems for Parking and Backing . . . . . . . . . . 192

Chevrolet Impala Owner Manual (GMNA-Localizing-U.S./Canada-11348316) -
2018 - CRC - 8/22/17
336 Index
Dual Automatic ClimateControl System . . . . . . . . . . . . . . . . 150
E
E85 or FlexFuel . . . . . . . . . . . . . . . . 203
Electric Parking Brake . . . . . . . . . . 178
Electric Parking Brake Light . . . . 120
Electrical Equipment,
Add-On . . . . . . . . . . . . . . . . . . . . . . . 211
Electrical System Engine Compartment FuseBlock . . . . . . . . . . . . . . . . . . . . . . . . 243
Fuses and Circuit Breakers . . . 243
Instrument Panel Fuse Block . . . . . . . . . . . . . . . . . . . . . . . . 246
Overload . . . . . . . . . . . . . . . . . . . . . 242
Emergency
OnStar . . . . . . . . . . . . . . . . . . . . . . . 322
Engine Air Cleaner/Filter . . . . . . . . . . . . . 224
Check Light (MalfunctionIndicator) . . . . . . . . . . . . . . . . . . . . .118
Compartment Overview . . . . . . . 217
Coolant Temperature Gauge . . . . . . . . . . . . . . . . . . . . . . .115
Cooling System . . . . . . . . . . . . . . . 225
Drive Belt Routing . . . . . . . . . . . . 306
Exhaust . . . . . . . . . . . . . . . . . . . . . . 174 Engine (cont'd)
Heater . . . . . . . . . . . . . . . . . . . . . . . . 171
Oil Life System . . . . . . . . . . . . . . . 222
Oil Pressure Light . . . . . . . . . . . . 123
Overheated Protection
Operating Mode . . . . . . . . . . . . . 230
Overheating . . . . . . . . . . . . . . . . . . 229
Power Messages . . . . . . . . . . . . . 128
Running While Parked . . . . . . . . 174
Starting . . . . . . . . . . . . . . . . . . . . . . . 169
Entry Lighting . . . . . . . . . . . . . . . . . . . 144
Equipment, Towing . . . . . . . . . . . . . 210
Event Data Recorders . . . . . . . . . . 319
Exit Lighting . . . . . . . . . . . . . . . . . . . . 144
Extended Parking . . . . . . . . . . . . . . . 174
Extender, Seat Belt . . . . . . . . . . . . . . 67
Exterior Lamp Controls . . . . . . . . . 139
Exterior Lamps Off Reminder . . . 140
Exterior Lighting Battery Saver . . . . . . . . . . . . . . . . . . . . . . . . . 145
F
FeaturesMemory . . . . . . . . . . . . . . . . . . . . . . . . . 12
Filter, Engine Air Cleaner . . . . . . . . . . . 224
Flash-to-Pass . . . . . . . . . . . . . . . . . . . 140
Flashers, Hazard Warning . . . . . . 141 Flat Tire . . . . . . . . . . . . . . . . . . . . . . . . 269
Changing . . . . . . . . . . . . . . . . . . . . . 270
FlexFuel E85 . . . . . . . . . . . . . . . . . . . . . . . . . . . 203
Floor Mats . . . . . . . . . . . . . . . . . . . . . . 289
Fluid Automatic Transmission . . . . . . 223
Brakes . . . . . . . . . . . . . . . . . . . . . . . . 232
Washer . . . . . . . . . . . . . . . . . . . . . . . 230
Folding Mirrors . . . . . . . . . . . . . . . . . . 44
Forward Automatic Braking . . . . . 197
Forward Collision Alert (FCA) System . . . . . . . . . . . . . . . . . 195
Frequency Statement Radio . . . . . . . . . . . . . . . . . . . . . . . . . 317
Front Seats
Adjustment . . . . . . . . . . . . . . . . . . . . . 53
Heated and Ventilated . . . . . . . . . . 59
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . . 202 Additives . . . . . . . . . . . . . . . . . . . . . 203
Economy Driving . . . . . . . . . . . . . . . 26
Filling a Portable FuelContainer . . . . . . . . . . . . . . . . . . . 206
Filling the Tank . . . . . . . . . . . . . . . 204
Foreign Countries . . . . . . . . . . . . 203
Gauge . . . . . . . . . . . . . . . . . . . . . . . . .114
Low Fuel Warning Light . . . . . . . 123
Requirements, California . . . . . 202

Chevrolet Impala Owner Manual (GMNA-Localizing-U.S./Canada-11348316) -
2018 - CRC - 8/22/17
338 Index
J
Jump Starting - NorthAmerica . . . . . . . . . . . . . . . . . . . . . . . 276
K
Keyless EntryRemote (RKE) System . . . . . . . . . 28
Keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
L
Labeling, Tire Sidewall . . . . . . . . . . 251
Lamps Courtesy . . . . . . . . . . . . . . . . . . . . . . 142
Daytime Running (DRL) . . . . . . 140
Dome . . . . . . . . . . . . . . . . . . . . . . . . . 143
Exterior Controls . . . . . . . . . . . . . . 139
Exterior Lamps OffReminder . . . . . . . . . . . . . . . . . . . 140
Exterior Lighting Battery Saver . . . . . . . . . . . . . . . . . . . . . . . 145
License Plate . . . . . . . . . . . . . . . . . 241
Malfunction Indicator
(Check Engine) . . . . . . . . . . . . . .118
On Reminder . . . . . . . . . . . . . . . . . 124
Reading . . . . . . . . . . . . . . . . . . . . . . 143
Lane Change Alert (LCA) . . . . . . . 198
Lane Departure Warning (LDW) . . . . . . . . . . . . . . . . 200 Lane Departure Warning
Light . . . . . . . . . . . . . . . . . . . . . . . . . . 121
Lap-Shoulder Belt . . . . . . . . . . . . . . . 64
LATCH System Replacing Parts after aCrash . . . . . . . . . . . . . . . . . . . . . . . . . 93
LATCH, Lower Anchors and
Tethers for Children . . . . . . . . . . . . 87
LED Lighting . . . . . . . . . . . . . . . . . . . . 238
Lighting Entry . . . . . . . . . . . . . . . . . . . . . . . . . 144
Exit . . . . . . . . . . . . . . . . . . . . . . . . . . . 144
Illumination Control . . . . . . . . . . . 142
LED . . . . . . . . . . . . . . . . . . . . . . . . . . 238
Lights Airbag Readiness . . . . . . . . . . . . . .116
Antilock Brake System
(ABS) Warning . . . . . . . . . . . . . . 121
Brake System Warning . . . . . . . .119
Charging System . . . . . . . . . . . . . .117
Check Engine (Malfunction Indicator) . . . . . . . . . . . . . . . . . . . . .118
Cruise Control . . . . . . . . . . . . . . . . 124
Door Ajar . . . . . . . . . . . . . . . . . . . . . 125
Electric Parking Brake . . . . . . . . 120
Engine Oil Pressure . . . . . . . . . . 123
Flash-to-Pass . . . . . . . . . . . . . . . . . 140
High-Beam On . . . . . . . . . . . . . . . . 124 Lights (cont'd)
High/Low Beam Changer . . . . . 140
Lane Departure Warning . . . . . . 121
Low Fuel Warning . . . . . . . . . . . . 123
Seat Belt Reminders . . . . . . . . . . .115
Security . . . . . . . . . . . . . . . . . . . . . . 124
Service Electric Parking
Brake . . . . . . . . . . . . . . . . . . . . . . . 120
StabiliTrak OFF . . . . . . . . . . . . . . . 122
Tire Pressure . . . . . . . . . . . . . . . . . 122
Traction Control System
(TCS)/StabiliTrak . . . . . . . . . . . . 122
Traction Off . . . . . . . . . . . . . . . . . . . 121
Locks
Automatic Door . . . . . . . . . . . . . . . . . 38
Delayed Locking . . . . . . . . . . . . . . . . 38
Door . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Lockout Protection . . . . . . . . . . . . . . 38
Power Door . . . . . . . . . . . . . . . . . . . . . 38
Safety . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Loss of Control . . . . . . . . . . . . . . . . . 160
Low Fuel Warning Light . . . . . . . . . 123
Low-Profile Tires . . . . . . . . . . . . . . . . 250
Lower Anchors and Tethers for Children (LATCH
System) . . . . . . . . . . . . . . . . . . . . . . . . 87
Lumbar Adjustment . . . . . . . . . . . . . . 55 Front Seats . . . . . . . . . . . . . . . . . . . . . 55

Chevrolet Impala Owner Manual (GMNA-Localizing-U.S./Canada-11348316) -
2018 - CRC - 8/22/17
Index 341
Seat Belts (cont'd)Reminders . . . . . . . . . . . . . . . . . . . . .115
Replacing after a Crash . . . . . . . . 68
Use During Pregnancy . . . . . . . . . . 66
Seats Adjustment, Front . . . . . . . . . . . . . . . 53
Head Restraints . . . . . . . . . . . . . . . . 50
Heated and Ventilated Front . . . . 59
Lumbar Adjustment, Front . . . . . . 55
Memory . . . . . . . . . . . . . . . . . . . . . . . . . 56
Power Adjustment, Front . . . . . . . 54
Rear . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
Reclining Seatbacks . . . . . . . . . . . . 55
Securing Child Restraints . . . . 94, 96
Security
Light . . . . . . . . . . . . . . . . . . . . . . . . . . 124
OnStar . . . . . . . . . . . . . . . . . . . . . . . 323
Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . 41
Vehicle Alarm . . . . . . . . . . . . . . . . . . . 41
Service . . . . . . . . . . . . . . . . . . . . . . . . . 155 Accessories andModifications . . . . . . . . . . . . . . . . 215
Climate Control System . . . . . . . 147
Doing Your Own Work . . . . . . . . 215
Maintenance Records . . . . . . . . 303
Maintenance, General
Information . . . . . . . . . . . . . . . . . . 291
Parts Identification Label . . . . . 304 Service (cont'd)
Publications Ordering
Information . . . . . . . . . . . . . . . . . . 316
Scheduling Appointments . . . . . 313
Service Electric Parking Brake Light . . . . . . . . . . . . . . . . . . . . 120
Services Special Application . . . . . . . . . . . 298
Servicing the Airbag . . . . . . . . . . . . . 79
Shift Lock Control Function
Check, Automatic
Transmission . . . . . . . . . . . . . . . . . . 235
Shifting Into Park . . . . . . . . . . . . . . . . . . . . . . 172
Out of Park . . . . . . . . . . . . . . . . . . . 173
Side Blind Zone Alert (SBZA) . . . 198
Signals, Turn and Lane-Change . . . . . . . . . . . . . . . . . 142
Spare Tire Compact . . . . . . . . . . . . . . . . . . . . . . 275
Special Application Services . . . . 298
Specifications and Capacities . . . . . . . . . . . . . . . . . . . . . 305
Speedometer . . . . . . . . . . . . . . . . . . . 113
StabiliTrak OFF Light . . . . . . . . . . . . . . . . . . . . . 122
Start Assist, Hill . . . . . . . . . . . . . . . . . 180
Start Vehicle, Remote . . . . . . . . . . . 34 Starter Switch Check . . . . . . . . . . . 234
Starting the Engine . . . . . . . . . . . . . 169
Steering . . . . . . . . . . . . . . . . . . . . . . . . 159
Heated Wheel . . . . . . . . . . . . . . . . 104
Wheel Adjustment . . . . . . . . . . . . 104
Wheel Controls . . . . . . . . . . . . . . . 104
Stoplamps and Back-up Lamps
Bulb Replacement . . . . . . . . . . . . 240
Storage Areas Cargo ManagementSystem . . . . . . . . . . . . . . . . . . . . . . 101
Center Console . . . . . . . . . . . . . . . 100
Convenience Net . . . . . . . . . . . . . 102
Glove Box . . . . . . . . . . . . . . . . . . . . 100
Instrument Panel . . . . . . . . . . . . . . . 99
Umbrella . . . . . . . . . . . . . . . . . . . . . . 101
Storage Compartments . . . . . . . . . . 99
Struts Gas . . . . . . . . . . . . . . . . . . . . . . . . . . . 236
Stuck Vehicle . . . . . . . . . . . . . . . . . . . 163
Summer Tires . . . . . . . . . . . . . . . . . . 250
Sun Visors . . . . . . . . . . . . . . . . . . . . . . . 47
Sunroof . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . 3
System Forward CollisionAlert (FCA) . . . . . . . . . . . . . . . . . . 195
Infotainment . . . . . . . . . . . . . 146, 320