2019 CHEVROLET VOLT mountain

Chevrolet VOLT Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
12163007) - 2019 - CRC - 11/5/18
176 Driving and Operating
Press MODE again to return to
Normal Mode and it becomes active
after three seconds.
Each time the vehicle is started, it
will return to Normal Mode.
Mountain Mode
Mountain Mode should be selected
at the beginning of a trip before
climbing steep, uphill grades and
when expecting to drive in very hilly
or mountainous terrain. This mode
maintains a reserve electrical
charge of the high voltage battery to
provide better grade climbingperformance. While driving in
Mountain Mode, the vehicle will
have less responsive acceleration.
Mountain Mode will not change
normal vehicle braking performance
for steep downhill grades.
See
Hill and Mountain Roads 0162
and Electric Drive Unit 0181.
Press MODE to select Mountain
Mode. If steep hill driving is
expected, it is recommended to
select Mountain Mode at least
20 minutes before driving on steep
grades. This will allow the vehicle
time to build a sufficient battery
charge reserve.
If Mountain Mode is not selected for
these conditions, propulsion power
may be reduced and the engine
speed may increase. See
Propulsion Power Messages 0136.
The engine may run when Mountain
Mode is selected, depending on the
high voltage battery charge, to build
reserve battery charge for uphill
climbs. If Mountain Mode is entered
with a sufficient battery charge
reserve, the battery charge reserve will appear grayed out and any
battery charge reserve still unused
upon exiting Mountain Mode will
return to normal appearance.
Press MODE again to return to
Normal Mode and it becomes active
after three seconds.
Each time the vehicle is started, it
will return to Normal Mode to
maintain a smaller battery charge
reserve for normal driving.
Hold Mode
Use Hold Mode on a trip where it is
expected that all of the electric
charge will be depleted. Use Hold

Chevrolet VOLT Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
12163007) - 2019 - CRC - 11/5/18
Driving and Operating 177
Mode mainly during highway or high
speed driving to maximize both EV
miles and fuel efficiency.
Hold Mode is only available when
the vehicle is in Electric Mode. This
mode places the remaining battery
charge into a reserve for the driver
to use as desired. Selecting this
mode transitions the vehicle to
Extended Range Mode to maintain
the battery charge reserve.
Upon exiting Hold Mode, the
reserved battery charge becomes
available again and the vehicle
returns to Electric Mode. If the
transition is from Hold Mode directly
to Mountain Mode, the electric
range displayed adjusts for the
Mountain Mode charge reserve.
Hold Mode will not change normal
vehicle acceleration or braking
performance.
Press MODE to select Hold Mode.
Press MODE again to return to
Normal Mode and it becomes active
after three seconds.Each time the vehicle is started, it
will return to Normal Mode.
Out of Fuel/Engine
Unavailable
If the vehicle runs out of fuel, or the
engine will not start due to a
malfunction, the vehicle can
continue to be driven in Electric
Mode until the current charge is
depleted. The vehicle will have less
responsive acceleration. Driver
Information Center (DIC) messages
indicate reduced propulsion power,
that the engine is not available, and
the need for fuel or service.
Once the vehicle is refueled, or the
malfunction is corrected, the engine
will start the next time the vehicle is
turned on to perform a self test, and
DIC messages will not be displayed.
Once the engine starts successfully,
normal operation will continue in
either Electric or Extended Range
Mode. The engine may stop running
after the self test is completed,
based on the current mode of
operation.
Maintenance Modes
Engine Maintenance Mode (EMM)
EMM runs the engine to keep it in
good working condition after
approximately six weeks of no or
very limited engine operation. EMM
will force the engine to run, even if
there is a charge to power the
vehicle.
When EMM is needed, the EMM
notification will display.
If Start is selected, EMM will begin.
The engine will not start until after a
short delay once shifted into
D (Drive). The engine will run for a
set amount of time without turning

Chevrolet VOLT Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
12163007) - 2019 - CRC - 11/5/18
188 Driving and Operating
To turn off only TCS, press and
release
g. The Traction Off lighti
displays in the instrument cluster. To
turn TCS on again, press and
release
g. The Traction Off lighti
displayed in the instrument cluster
will turn off.
To turn off both TCS and StabiliTrak/
ESC, press and hold
guntil the
Traction Off light
iand StabiliTrak/
ESC Off light
gcome on and stay
on in the instrument cluster. To turn
TCS and StabiliTrak/ESC on again,
press and release
g. The Traction
Off light
iand StabiliTrak/ESC Off
light
gin the instrument cluster
turn off.
Adding accessories can affect the
vehicle performance. See
Accessories and Modifications
0 237.
Driver Mode Control
There are four operating modes that
can be selected while driving in
Electric or Extended Range Mode.
The four modes are Normal, Sport,
Mountain, and Hold.
Pressing MODE will display the
selectable drive modes in the Driver
Information Center (DIC). See
Driver Selected Operating Modes
0174 for information on mode
operation.
Cruise Control
The cruise control lets the vehicle
maintain a speed of about 40 km/h
(25 mph) or more without keeping
your foot on the accelerator. Cruise
control does not work at speeds
below 40 km/h (25 mph).
{Warning
Cruise control can be dangerous
where you cannot drive safely at
a steady speed. Do not use
cruise control on winding roads or
in heavy traffic.
Cruise control can be dangerous
on slippery roads. On such roads,
fast changes in tire traction can
cause excessive wheel slip, and
you could lose control. Do not use
cruise control on slippery roads.

Chevrolet VOLT Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
12163007) - 2019 - CRC - 11/5/18
320 Service and Maintenance
The Tire Rotation and Required
Services are the responsibility of the
vehicle owner. It is recommended to
have your dealer perform these
services every 12 000 km/7,500 mi.
Proper vehicle maintenance helps to
keep the vehicle in good working
condition, improves fuel economy,
and reduces vehicle emissions.
Because of the way people use
vehicles, maintenance needs vary.
There may need to be more
frequent checks and services. The
Additional Required Services -
Normal are for vehicles that:
.Carry passengers and cargo
within recommended limits on
the Tire and Loading Information
label. See Vehicle Load Limits
0 164. .
Are driven on reasonable road
surfaces within legal driving
limits.
. Use the recommended fuel. See
Recommended Fuel 0229.
Refer to the information in the
Maintenance Schedule Additional
Required Services - Normal chart.
The Additional Required Services -
Severe are for vehicles that are:
. Mainly driven in heavy city traffic
in hot weather.
. Mainly driven in hilly or
mountainous terrain.
. Frequently towing a trailer.
. Used for high speed or
competitive driving.
. Used for taxi, police, or delivery
service. Refer to the information in the
Maintenance Schedule Additional
Required Services - Severe chart.
{Warning
Performing maintenance work can
be dangerous and can cause
serious injury. Perform
maintenance work only if the
required information, proper tools,
and equipment are available.
If they are not, see your dealer to
have a trained technician do the
work. See
Doing Your Own
Service Work 0237.

Chevrolet VOLT Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
12163007) - 2019 - CRC - 11/5/18
Index 363
Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . 104
Cluster, Instrument . . . . . . . . . . . . . 107
Collision Damage Repair . . . . . . . 342
CompartmentsStorage . . . . . . . . . . . . . . . . . . . . . . . . . 98
Compass . . . . . . . . . . . . . . . . . . . . . . . 104
Compressor Kit, Tire Sealant . . . 292
Connected Services Connections . . . . . . . . . . . . . . . . . . 358
Diagnostics . . . . . . . . . . . . . . . . . . . 360
Navigation . . . . . . . . . . . . . . . . . . . . 357
Connections Connected Services . . . . . . . . . . 358
Control Traction and ElectronicStability . . . . . . . . . . . . . . . . . . . . . 186
Control of a Vehicle . . . . . . . . . . . . . 159
Convex Mirrors . . . . . . . . . . . . . . . . . . 48
Coolant Engine TemperatureWarning Light . . . . . . . . . . . . . . . 120
Cooling . . . . . . . . . . . . . . . . . . . . . . . . . 150
Cooling System . . . . . . .246, 250, 251
Courtesy Transportation Program . . . . . . . . . . . . . . . . . . . . . . . 341
Cover Cargo . . . . . . . . . . . . . . . . . . . . . . . . . . . 99
Cruise Control . . . . . . . . . . . . . . . . . . 188 Cruise Control (cont'd)
Light . . . . . . . . . . . . . . . . . . . . . . . . . . 122
Cruise Control, Adaptive . . . . . . . . 191
Customer Assistance . . . . . . . . . . . 338 Offices . . . . . . . . . . . . . . . . . . . . . . . . 337
Text Telephone (TTY)Users . . . . . . . . . . . . . . . . . . . . . . . 338
Customer Information Publications Ordering
Information . . . . . . . . . . . . . . . . . . 345
Customer Satisfaction Procedure . . . . . . . . . . . . . . . . . . . . . 335
D
Damage Repair, Collision . . . . . . . 342
Danger, Warning, and Caution . . . . 2
Data CollectionInfotainment System . . . . . . . . . . 348
OnStar . . . . . . . . . . . . . . . . . . . . . . . 348
Data Recorders, Event . . . . . . . . . 347
Daytime Running Lamps (DRL) . . . . . . . . . . . . . . . . . . 144
Defensive Driving . . . . . . . . . . . . . . . 159
Delayed Charging Override . . . . . 216
Delayed Locking . . . . . . . . . . . . . . . . . 43
Diagnostics Connected Services . . . . . . . . . . 360
Distracted Driving . . . . . . . . . . . . . . . 158 Dome Lamps . . . . . . . . . . . . . . . . . . . 147
Door
Ajar Light . . . . . . . . . . . . . . . . . . . . . 123
Delayed Locking . . . . . . . . . . . . . . . . 43
Locks . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Power Locks . . . . . . . . . . . . . . . . . . . . 43
Drive Belt Routing, Engine . . . . . . 334
Drive Unit
Electric . . . . . . . . . . . . . . . . . . . . . . . 181
Driver Assistance Systems . . . . . 201
Driver Efficiency Gauge . . . . . . . . 111
Driver Information Center (DIC) . . . . . . . . . . . . . . . . . . 133
Driver Mode Control . . . . . . . . . . . . 188
Driver Selected Operating Modes . . . . . . . . . . . . . . . . . . . . . . . . 174
Driving Assistance Systems . . . . . . . . . . 206
Defensive . . . . . . . . . . . . . . . . . . . . . 159
Drunk . . . . . . . . . . . . . . . . . . . . . . . . . 159
Hill and Mountain Roads . . . . . . 162
If the Vehicle is Stuck . . . . . . . . . 164
Loss of Control . . . . . . . . . . . . . . . 161
Off-Road Recovery . . . . . . . . . . . 160
Vehicle Load Limits . . . . . . . . . . . 164
Wet Roads . . . . . . . . . . . . . . . . . . . 161
Winter . . . . . . . . . . . . . . . . . . . . . . . . 163

Chevrolet VOLT Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
12163007) - 2019 - CRC - 11/5/18
Index 365
Fuel (cont'd)Recommended . . . . . . . . . . . . . . . 229
Top Tier . . . . . . . . . . . . . . . . . . . . . . 229
Function Check
Electric Drive Unit ShiftLock Control . . . . . . . . . . . . . . . . 257
Fuses Engine Compartment FuseBlock . . . . . . . . . . . . . . . . . . . . . . . . 264
Fuses and Circuit Breakers . . . 264
Instrument Panel Fuse Block . . . . . . . . . . . . . . . . . . . . . . . . 267
Rear Compartment Fuse Block . . . . . . . . . . . . . . . . . . . . . . . . 270
G
Gas Strut(s) . . . . . . . . . . . . . . . . . . . . 258
GaugesBattery . . . . . . . . . . . . . . . . . . . . . . . .110
Driver Efficiency . . . . . . . . . . . . . . . 111
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . 111
Odometer . . . . . . . . . . . . . . . . . . . . . .110
Power Indicator . . . . . . . . . . . . . . . .112
Speedometer . . . . . . . . . . . . . . . . . .110
Trip Odometer . . . . . . . . . . . . . . . . .110
Warning Lights and
Indicators . . . . . . . . . . . . . . . . . . . 107 General Information
Service and Maintenance . . . . . 319
Towing . . . . . . . . . . . . . . . . . . . . . . . . 233
Vehicle Care . . . . . . . . . . . . . . . . . . 236
Glove Box . . . . . . . . . . . . . . . . . . . . . . . 98
GM Mobility Reimbursement Program . . . . . . . . . . . . . . . . . . . . . . . 339
H
Halogen Bulbs . . . . . . . . . . . . . . . . . . 260
Hatch . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Hazard Warning Flashers . . . . . . . 145
Head Restraints . . . . . . . . . . . . . . . . . 53
Headlamps . . . . . . . . . . . . . . . . . . . . . 260
Aiming . . . . . . . . . . . . . . . . . . . . . . . . 260
Automatic . . . . . . . . . . . . . . . . . . . . . 145
Bulb Replacement . . . . . . . . . . . . 260
Daytime RunningLamps (DRL) . . . . . . . . . . . . . . . . 144
Flash-to-Pass . . . . . . . . . . . . . . . . . 144
High-Beam On Light . . . . . . . . . . 122
High/Low Beam Changer . . . . . 144
Lamps On Reminder . . . . . . . . . 122
Heated Rear Seats . . . . . . . . . . . . . . . . . . . . . 60
Steering Wheel . . . . . . . . . . . . . . . 102
Heated Front Seats . . . . . . . . . . . . . . 57
Heated Mirrors . . . . . . . . . . . . . . . . . . . 49 Heating . . . . . . . . . . . . . . . . . . . . . . . . . 150
High Voltage Battery Gauge . . . . 110
High Voltage Devices and
Wiring . . . . . . . . . . . . . . . . . . . . . . . . . 263
High-Beam On Light . . . . . . . . . . . . 122
Hill and Mountain Roads . . . . . . . . 162
Hill Start Assist (HSA) . . . . . . . . . . 184
Hold Mode Light . . . . . . . . . . . . . . . . 118
Hood . . . . . . . . . . . . . . . . . . . . . . . . . . . 238
Horn . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102
How to Wear Seat Belts Properly . . . . . . . . . . . . . . . . . . . . . . . . 61
HVAC . . . . . . . . . . . . . . . . . . . . . . . . . . . 150
I
Immobilizer . . . . . . . . . . . . . . . . . . . . . . 47
Indicator Vehicle Ahead . . . . . . . . . . . . . . . . .119
Infants and Young Children, Restraints . . . . . . . . . . . . . . . . . . . . . . 81
Information
Energy . . . . . . . . . . . . . . . . . . . . . . . 131
Publication Ordering . . . . . . . . . . 345
Infotainment . . . . . . . . . . . . . . . . . . . . 149
Infotainment System . . . . . . . . . . . . 348
Instrument Cluster . . . . . . . . . . . . . . 107
Interior Rearview Mirrors . . . . . . . . . 49
Introduction . . . . . . . . . . . . . . . . . . . . . . . 2

Chevrolet VOLT Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
12163007) - 2019 - CRC - 11/5/18
366 Index
J
Jump Starting - NorthAmerica . . . . . . . . . . . . . . . . . . . . . . . 299
K
Keyless EntryRemote (RKE) System . . . . . . . . . 31
Keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
L
Labeling, Tire Sidewall . . . . . . . . . . 274
Lamps Daytime Running (DRL) . . . . . . 144
Dome . . . . . . . . . . . . . . . . . . . . . . . . . 147
Exterior Controls . . . . . . . . . . . . . . 142
Exterior Lighting BatterySaver . . . . . . . . . . . . . . . . . . . . . . . 148
License Plate . . . . . . . . . . . . . . . . . 262
Malfunction Indicator (Check Engine) . . . . . . . . . . . . . .114
On Reminder . . . . . . . . . . . . . . . . . 122
Reading . . . . . . . . . . . . . . . . . . . . . . 147
Taillamps . . . . . . . . . . . . . . . . . . . . . 261
Lane Change Alert (LCA) . . . . . . . 210
Lane Departure Warning (LDW) . . . . . . . . . . . . . . . . 212
Lane Keep Assist (LKA) . . . . . . . . 212
Lane Keep Assist Light . . . . . . . . . 118
Lap-Shoulder Belt . . . . . . . . . . . . . . . 63 LATCH System
Replacing Parts after a
Crash . . . . . . . . . . . . . . . . . . . . . . . . . 92
LATCH, Lower Anchors and Tethers for Children . . . . . . . . . . . . 87
LED Lighting . . . . . . . . . . . . . . . . . . . . 260
Lighting Entry . . . . . . . . . . . . . . . . . . . . . . . . . 148
Exit . . . . . . . . . . . . . . . . . . . . . . . . . . . 148
Illumination Control . . . . . . . . . . . 146
LED . . . . . . . . . . . . . . . . . . . . . . . . . . 260
Lights Airbag Readiness . . . . . . . . . . . . . .113
Antilock Brake System(ABS) Warning . . . . . . . . . . . . . . .117
Brake System Warning . . . . . . . .116
Charging System . . . . . . . . . . . . . .114
Check Engine (Malfunction
Indicator) . . . . . . . . . . . . . . . . . . . . .114
Cruise Control . . . . . . . . . . . . . . . . 122
Door Ajar . . . . . . . . . . . . . . . . . . . . . 123
Electric Parking Brake . . . . . . . . .117
Engine Coolant Temperature Warning . . . . . . . 120
Engine Oil Pressure . . . . . . . . . . 121
Flash-to-Pass . . . . . . . . . . . . . . . . . 144
High-Beam On . . . . . . . . . . . . . . . . 122
High/Low Beam Changer . . . . . 144 Lights (cont'd)
Hold Mode . . . . . . . . . . . . . . . . . . . . .118
Lane Keep Assist . . . . . . . . . . . . . .118
Low Fuel Warning . . . . . . . . . . . . 121
Mountain Mode . . . . . . . . . . . . . . . .118
Seat Belt Reminders . . . . . . . . . . .112
Security . . . . . . . . . . . . . . . . . . . . . . 121
Service Electric Parking
Brake . . . . . . . . . . . . . . . . . . . . . . . .117
Sport Mode . . . . . . . . . . . . . . . . . . . .118
StabiliTrak OFF . . . . . . . . . . . . . . . .119
Tire Pressure . . . . . . . . . . . . . . . . . 120
Traction Control System (TCS)/StabiliTrak . . . . . . . . . . . . .119
Traction Off . . . . . . . . . . . . . . . . . . . .119
Vehicle Ready . . . . . . . . . . . . . . . . 122
Locks Automatic Door . . . . . . . . . . . . . . . . . 43
Delayed Locking . . . . . . . . . . . . . . . . 43
Door . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Lockout Protection . . . . . . . . . . . . . . 43
Power Door . . . . . . . . . . . . . . . . . . . . . 43
Safety . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Loss of Control . . . . . . . . . . . . . . . . . 161
Low Fuel Warning Light . . . . . . . . . 121
Low-Profile Tires . . . . . . . . . . . . . . . . 274

Chevrolet VOLT Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
12163007) - 2019 - CRC - 11/5/18
Index 367
Lower Anchors and Tethersfor Children (LATCH
System) . . . . . . . . . . . . . . . . . . . . . . . . 87
Lumbar Adjustment . . . . . . . . . . . . . . 55 Front Seats . . . . . . . . . . . . . . . . . . . . . 55
M
MaintenanceRecords . . . . . . . . . . . . . . . . . . . . . . 331
Maintenance and Care Additional . . . . . . . . . . . . . . . . . . . . . 326
Maintenance Modes . . . . . . . . . . . . 177
Maintenance Schedule . . . . . . . . . 321
Recommended Fluids andLubricants . . . . . . . . . . . . . . . . . . . 329
Malfunction Indicator Lamp . . . . . 114
Messages Propulsion Power . . . . . . . . . . . . . 136
Vehicle . . . . . . . . . . . . . . . . . . . . . . . 135
Vehicle Speed . . . . . . . . . . . . . . . . 136
Mirrors
Automatic DimmingRearview . . . . . . . . . . . . . . . . . . . . . . 49
Convex . . . . . . . . . . . . . . . . . . . . . . . . . 48
Folding . . . . . . . . . . . . . . . . . . . . . . . . . 49
Heated . . . . . . . . . . . . . . . . . . . . . . . . . 49
Manual Rearview . . . . . . . . . . . . . . . 49
Power . . . . . . . . . . . . . . . . . . . . . . . . . . 48 Mirrors, Interior Rearview . . . . . . . . 49
Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . 188
Driver Control . . . . . . . . . . . . . . . . . 188
Electric . . . . . . . . . . . . . . . . . . . . . . . 174
Extended Range . . . . . . . . . . . . . . 174
Hold Light . . . . . . . . . . . . . . . . . . . . .118
Modes
Driver Selected . . . . . . . . . . . . . . . 174
Maintenance . . . . . . . . . . . . . . . . . . 177
Monitor System, Tire Pressure . . . . . . . . . . . . . . . . . . . . . . 280
Mountain Mode Light . . . . . . . . . . . 118
N
Navigation Connected Services . . . . . . . . . . 357
New Vehicle Break-In . . . . . . . . . . . 168
O
Odometer . . . . . . . . . . . . . . . . . . . . . . . 110
Trip . . . . . . . . . . . . . . . . . . . . . . . . . . . .110
Off-Road
Recovery . . . . . . . . . . . . . . . . . . . . . 160
Oil Engine . . . . . . . . . . . . . . . . . . . . . . . . 241
Engine Oil Life System . . . . . . . 243
Pressure Light . . . . . . . . . . . . . . . . 121
Older Children, Restraints . . . . . . . 80
Online Owner Center . . . . . . . . . . . 338 OnStar . . . . . . . . . . . . . . . . . . . . . . . . . 348
OnStar Additional
Information . . . . . . . . . . . . . . . . . . . . 351
OnStar Emergency . . . . . . . . . . . . . 350
OnStar Overview . . . . . . . . . . . . . . . 349
OnStar Security . . . . . . . . . . . . . . . . 351
Out of Fuel/Engine Unavailable . . . . . . . . . . . . . . . . . . . 177
Outlets Power . . . . . . . . . . . . . . . . . . . . . . . . 104
Overheating, Engine . . . . . . . . . . . . 252
P
Park
Shifting Into . . . . . . . . . . . . . . . . . . . 171
Shifting Out of . . . . . . . . . . . . . . . . 172
Park Assist . . . . . . . . . . . . . . . . . . . . . 202
Parking
Brake and P (Park)Mechanism Check . . . . . . . . . . 257
Extended . . . . . . . . . . . . . . . . . . . . . 173
Over Things That Burn . . . . . . . 173
Parking or Backing Assistance Systems . . . . . . . . . . 202
Passenger Airbag Status Indicator . . . . . . . . . . . . . . . . . . . . . . 113
Passenger Compartment Air Filter . . . . . . . . . . . . . . . . . . . . . . . . . . 155