2012 CHEVROLET VOLT parking brake

Black plate (22,1)Chevrolet Volt Owner Manual - 2012
5-22 Instruments and Controls
Brake System Warning
Light
The vehicle brake system consists
of two hydraulic circuits. If one
circuit is not working, the remaining
circuit can still work to stop the
vehicle. For normal braking
performance, both circuits need to
be working.
If the warning light comes on, there
is a brake problem. Have the brake
system inspected right away.
MetricEnglish
This light comes 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 if there is a
problem. If the light comes on and stays on,
there is a base brake problem.
{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
the road and carefully stopped,
have the vehicle towed for
service.
Electric Parking Brake
Light
This status light comes on when the
parking brake is applied. If the light
flashes and stays on after the
parking brake is released, or while
driving, there is a problem with the
electric parking brake system.
If the light does not come on,
or remains flashing, see your dealer.
See
Electric Parking Brake on
page 9‑34 for more information.

Black plate (23,1)Chevrolet Volt Owner Manual - 2012
Instruments and Controls 5-23
Service Electric Parking
Brake Light
The Service Electric Parking Brake
light should come on briefly when
the vehicle is in ON/RUN. 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, there is a
problem with a system on the
vehicle that is causing the parking
brake system to work at a reduced
level. The vehicle can still be driven,
but should be taken to a dealer as
soon as possible. SeeElectric
Parking Brake on page 9‑34 for
more information. If a message
displays in the Driver Information Center (DIC), see
Brake System
Messages on page 5‑48 for more
information.
Antilock Brake System
(ABS) Warning Light
This light should come on briefly
when the vehicle is in ON/RUN. If it
does not come on, have the vehicle
serviced by your dealer.
If the ABS warning light stays on
longer than a few seconds after the
vehicle is in ON/RUN, or comes on
and stays on while driving, try
resetting the system. To reset the
system:
1. While driving, pull over when it is safe to do so.
2. Place the vehicle in P (Park). 3. Turn the vehicle off.
4. Restart the vehicle.
If the ABS warning light remains on
after resetting the system or comes
on again while driving, the vehicle
needs service. If the ABS warning
light is on, but the regular brake
system warning light is not on, the
antilock brakes are not working
properly, but the regular brakes are
still functioning. Have the vehicle
serviced right away. If both brake
lights are on, the vehicle does not
have antilock brakes, and there is a
problem with the regular brakes as
well. Have the vehicle towed for
service. See
Towing the Vehicle on
page 10‑81.

Black plate (48,1)Chevrolet Volt Owner Manual - 2012
5-48 Instruments and Controls
CHARGE CORD CONNECTED
This message displays when the
charge cord is connected to the
vehicle. The vehicle cannot be
shifted out of P (Park) with the
charge cord connected.
CHARGE DOOR OPEN
This message displays when the
charge door is open and the vehicle
is shifted out of P (Park).
LOW BATTERY
This message displays when the
12-volt battery voltage is low. See
Battery on page 10‑25for more
information.
SERVICE BATTERY
CHARGING SYSTEM
This message displays when there
is a fault in the 12-volt battery
charging system. Take the vehicle to
your dealer for service.
SERVICE HIGH VOLTAGE
CHARGING SYSTEM
This message displays when there
is a problem with the high voltage
charging system. See your dealer
for service.
Brake System Messages
BRAKE FLUID LOW
This message displays when the
brake fluid level is low. See Brake
Fluid on page 10‑23.
RELEASE PARKING BRAKE
This message displays if the electric
parking brake is on while the vehicle
is in motion. Release it before
attempting to drive. See Electric
Parking Brake on page 9‑34 for
more information.
SERVICE BRAKE ASSIST
This message displays when there
is a problem with the brake boost
assist system. When this message
displays, the brake boost assist
motor might be heard operating and
a pulsation may be felt in the brake
pedal. Take the vehicle to your
dealer for service.
SERVICE PARKING BRAKE
This message displays when there
is a problem with the parking brake.
Take the vehicle to your dealer for
service.
STEP ON BRAKE TO
RELEASE PARK BRAKE
This message displays when
attempting to release the electric
parking brake without the brake
pedal applied. See Electric Parking
Brake on page 9‑34 for more
information.

Black plate (1,1)Chevrolet Volt Owner Manual - 2012
Driving and Operating 9-1
Driving and
Operating
Driving Information
Driving for Better EnergyEfficiency . . . . . . . . . . . . . . . . . . . . 9-2
Distracted Driving . . . . . . . . . . . . . 9-4
Defensive Driving . . . . . . . . . . . . . 9-5
Drunk Driving . . . . . . . . . . . . . . . . . 9-5
Control of a Vehicle . . . . . . . . . . . 9-5
Braking . . . . . . . . . . . . . . . . . . . . . . . 9-6
Steering . . . . . . . . . . . . . . . . . . . . . . . 9-6
Off-Road Recovery . . . . . . . . . . . . 9-7
Loss of Control . . . . . . . . . . . . . . . . 9-7
Driving on Wet Roads . . . . . . . . . 9-8
Highway Hypnosis . . . . . . . . . . . . 9-9
Hill and Mountain Roads . . . . . . 9-9
Winter Driving . . . . . . . . . . . . . . . 9-10
If the Vehicle Is Stuck . . . . . . . . 9-12
Vehicle Load Limits . . . . . . . . . . 9-12
Starting and Operating
New Vehicle Break-In . . . . . . . . 9-17
Power Button . . . . . . . . . . . . . . . . 9-18
Starting and Stopping the Vehicle . . . . . . . . . . . . . . . . . . . . . 9-20 Retained Accessory
Power (RAP) . . . . . . . . . . . . . . . 9-21
Shifting Into Park . . . . . . . . . . . . 9-22
Shifting out of Park . . . . . . . . . . 9-23
Parking over Things That Burn . . . . . . . . . . . . . . . . . . 9-23
Electric Vehicle Operating
Modes
System Operation . . . . . . . . . . . 9-24
Electric Mode . . . . . . . . . . . . . . . . 9-24
Extended Range Mode . . . . . . 9-24
Driver Selected OperatingModes . . . . . . . . . . . . . . . . . . . . . . 9-25
Out of Fuel/Engine Unavailable . . . . . . . . . . . . . . . . 9-27
Maintenance Modes . . . . . . . . . 9-28
Engine Exhaust
Engine Exhaust . . . . . . . . . . . . . . 9-30
Running the Vehicle While Parked . . . . . . . . . . . . . . . . . . . . . 9-30
Electric Drive Unit
Electric Drive Unit . . . . . . . . . . . 9-31
Brakes
Antilock BrakeSystem (ABS) . . . . . . . . . . . . . . 9-33
Electric Parking Brake . . . . . . . 9-34
Regenerative Braking . . . . . . . . 9-36
Ride Control Systems
Traction Control System (TCS) . . . . . . . . . . . . . . 9-36
Electronic Stability Control (ESC) . . . . . . . . . . . . . . 9-38
Cruise Control
Cruise Control . . . . . . . . . . . . . . . 9-40
Object Detection Systems
Ultrasonic Parking Assist . . . . 9-42
Rear VisionCamera (RVC) . . . . . . . . . . . . . 9-45
Charging
Plug-In Charging . . . . . . . . . . . . . 9-48
Delayed ChargingOverride . . . . . . . . . . . . . . . . . . . . 9-51
Charging Status Feedback . . . . . . . . . . . . . . . . . . 9-52

Black plate (3,1)Chevrolet Volt Owner Manual - 2012
Driving and Operating 9-3
Use Mountain Mode prior to
climbing long, steep grades in
mountainous areas. Be sure to
engage Mountain Mode before
starting to climb. Mountain Mode
reduces electric range and power
but may be needed to maintain
speeds above 96 km/h (60 mph)
when climbing grades of 5% or
greater.
Use L (Low) in heavy stop‐and‐go
traffic or when traveling downhill.
L (Low) requires less brake pedal
application and provides a
controlled, efficient way to slow the
vehicle down.
Climate Setting
Using the heat and air conditioning
systems decreases the energy
available for electric driving.
Optimal energy efficiency is
achieved with the heat, air
conditioning, and fan turned off.Less energy is used at low fan
speeds. When using the fan:
.Fan Only is the most energy
efficient climate setting as long
as
0is not selected.
.ECO is for moderate air
conditioning and heater
operation and is the next most
energy efficient setting as long
as
0is not selected.
.Comfort provides the most
comfort but is the least energy
efficient.
Use the auto heated seat feature
instead of climate settings. Heating
the seat uses less energy than
heating the vehicle interior. Use remote start to heat or cool the
interior when the vehicle is plugged
in to maximize the electric range by
utilizing electricity from the electrical
outlet.
Engine Assisted Heating operation,
if equipped, can be personalized.
See
Vehicle Personalization on
page 5‑56 for more information.
In hot weather, avoid parking in
direct sunlight or use sunshades
inside the vehicle.
Turn off the front and rear window
defog/defrost when they are no
longer needed.
Avoid driving with the windows open
at highway speeds.

Black plate (19,1)Chevrolet Volt Owner Manual - 2012
Driving and Operating 9-19
STOPPING THE VEHICLE/OFF:
To turn the vehicle off, push the
POWER
Obutton with the vehicle
in P (Park). Retained Accessory
Power (RAP) will remain active until
the driver door is opened. See
Retained Accessory Power (RAP)
on page 9‑21. When turning off the
vehicle, if the vehicle is not in
P (Park), the vehicle will go to ACC/
ACCESSORY and display the
message SHIFT TO PARK in the
Driver Information Center (DIC).
See Electric Drive Unit Messages
on page 5‑49. If the vehicle must be shut off in an
emergency:
1. Brake using a firm and steady
pressure. Do not pump the
brakes repeatedly. This may
deplete power assist, requiring
increased brake pedal force.
2. Shift the vehicle to N (Neutral). This can be done while the
vehicle is moving. After shifting
to N (Neutral), firmly apply the
brakes and steer the vehicle to a
safe location.
3. Come to a complete stop, shift to P (Park), and turn the vehicle
off by pushing the POWER
O
button.
4. Set the parking brake. See Electric Parking Brake on
page 9‑34.
{WARNING
Turning off the vehicle while
moving may disable the airbags.
While driving, only shut the
propulsion system off in an
emergency.
If the vehicle cannot be pulled over,
and must be shut off while driving,
press and hold the POWER
O
button for longer than two seconds,
or press twice in five seconds.

Black plate (22,1)Chevrolet Volt Owner Manual - 2012
9-22 Driving and Operating
Shifting Into Park
{WARNING
It can be 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. If you have left the propulsion
system on, 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, use the steps
that follow.
1. Hold the brake pedal down and set the parking brake.
See Electric Parking Brake on
page 9‑34 for more information.
2. Move the shift lever into P (Park) by pushing the lever all the way
toward the front of the vehicle.
3. Turn the vehicle off.
Leaving the Vehicle with the
Propulsion System On
{WARNING
It can be dangerous to leave the
vehicle with the propulsion
system on. The vehicle could
move suddenly if the shift lever is
not fully in P (Park) with the
parking brake firmly set. And,
if you leave the vehicle with the
propulsion system on, it could
overheat and even catch fire. You
or others could be injured. Do not
leave the vehicle with the
propulsion system on.
If you have to leave the vehicle with
the propulsion system on, be sure
the vehicle is in P (Park) and the
parking brake is firmly set before
you leave it. After you have moved
the shift lever into P (Park), hold
down the regular brake pedal. See if
you can move the shift lever away
from P (Park) without first pulling it toward you. If you can, it means that
the shift lever was not fully locked
into P (Park).
Torque Lock
Torque lock is when the weight of
the vehicle puts too much force on
the parking pawl in the electric drive
unit. This happens when parking on
a hill and shifting the electric drive
unit into P (Park) is not done
properly and then it is difficult to
shift out of P (Park). To prevent
torque lock, set the parking brake
and then shift into P (Park).
If torque lock does occur, your
vehicle may need to be pushed
uphill by another vehicle to relieve
the parking pawl pressure, so you
can shift out of P (Park).

Black plate (23,1)Chevrolet Volt Owner Manual - 2012
Driving and Operating 9-23
Shifting out of Park
To shift out of P (Park), the vehicle
must be in ON/RUN, the brake
pedal must be applied, and the
charge cord must be unplugged.
The vehicle has an electronic shift
lock release system. The shift lock
release is designed to:
.Prevent the vehicle from turning
off unless the shift lever is in
P (Park).
.Prevent moving the shift lever
out of P (Park), unless the
vehicle is in ON/RUN, the brake
pedal is applied, and the charge
cord is unplugged.
Parking the vehicle in extreme cold
for several days without the charge
cord connected may cause the
electric drive unit to be locked in
P (Park) until the propulsion system
has warmed sufficiently.
The shift lock is always functional
except in the case of an uncharged
or low charged 12‐volt battery (less
than 9 volts). If the vehicle has an uncharged 12‐
volt battery or a 12‐volt battery with
low voltage, try charging or jump
starting the 12‐volt battery. See
Battery on page 10‑25
orJump
Starting on page 10‑75.
If the console shift lever cannot be
moved out of P (Park):
1. Apply and maintain the regular
brakes.
2. Turn the vehicle on using the POWERObutton. See Power
Button on page 9‑18.
3. Let up on the shift lever and make sure the shift lever is
pushed all the way into P (Park).
4. Press the shift lever button.
5. Move the shift lever into the desired gear.
If you still cannot move the shift
lever from P (Park), see your dealer
or a professional towing service.
Parking over Things
That Burn
{WARNING
Things that can burn could touch
hot exhaust parts under the
vehicle and ignite. Do not park
over papers, leaves, dry grass,
or other things that can burn.