2012 CHEVROLET VOLT engine

Black plate (26,1)Chevrolet Volt Owner Manual - 2012
5-26 Instruments and Controls
When the Light Flashes First and
Then is On Steady
This indicates that there may be a
problem with the Tire Pressure
Monitor System. The light flashes
for about one minute and stays on
steady until the vehicle is in OFF.
This sequence repeats each time
the vehicle is in ON/RUN. SeeTire
Pressure Monitor System on
page 10‑51 for more information.Engine Oil Pressure Light
{WARNING
Do not keep driving if the oil
pressure is low. The engine can
become so hot that it catches fire.
Someone could be burned. Check
the oil as soon as possible and
have the vehicle serviced.
Notice: Lack of proper engine oil
maintenance can damage the
engine. The repairs would not be
covered by the vehicle warranty.
Always follow the maintenance
schedule for changing engine oil.
The oil pressure light should come
on briefly as the vehicle is started.
If it does not come on have the
vehicle serviced by your dealer.
If the light comes on and stays on, it
means that oil is not flowing through
the engine properly. The vehicle
could be low on oil and might have
some other system problem. See
your dealer.

Black plate (27,1)Chevrolet Volt Owner Manual - 2012
Instruments and Controls 5-27
Low Fuel Warning Light
The low fuel warning light comes on
briefly when the vehicle is started.
This light also comes on when the
fuel level is low. When fuel is added,
the light should go off. If it does not,
have the vehicle serviced.
Security Light
The immobilizer light should come
on briefly as the engine is started.
If it does not come on, have the
vehicle serviced by your dealer.
If the system is working normally,
the indicator light turns off.
If the light stays on and the engine
does not start, there could be a
problem with the theft-deterrent
system. SeeImmobilizer Operation
on page 2‑16 for more information.
Vehicle Ready Light
The vehicle ready light comes on
whenever the vehicle is ready to be
driven.
High-Beam On Light
The high-beam on light comes on
when the high-beam headlamps are
in use.
SeeHeadlamp High/Low-Beam
Changer on page 6‑2 for more
information.

Black plate (30,1)Chevrolet Volt Owner Manual - 2012
5-30 Instruments and Controls
The center stack controls only need
a light touch to operate and work
best with bare hands. The controls
will work with most gloves although
they may take longer to respond.
Use the finger pad rather than the
finger tip to minimize response time.
If the controls are not responding,
remove the gloves.
To view the Power Flow, Charging,
and Energy Information, press the
[button on the center stack.
Power Flows
To view the Power Flow screens,
press the
[button on the center
stack and then press the Power
Flow button at the top of the touch
screen. The Power Flow screens
indicate the current system
operating condition. The screens
show the energy flow between the
engine, electric drive unit, and high
voltage battery. These components
will be highlighted when they are
active.
Battery Power ‐Battery is active
with energy flowing to the wheels.
Battery Power ‐Vehicle is stationary
in electric mode and no power is
flowing to the wheels.
Engine Power ‐Engine is active
with energy flowing to the wheels.

Black plate (31,1)Chevrolet Volt Owner Manual - 2012
Instruments and Controls 5-31
Engine Power‐Vehicle is stationary
in extended range mode and no
power is flowing to the wheels.
Engine and Battery Power ‐Both
the engine and battery are active
with energy flowing to the wheels.
Regen Power Recovery ‐Power
from the wheels returns to the
battery during regenerative braking
or coasting.
Power Off ‐No power is flowing to
the wheels.

Black plate (46,1)Chevrolet Volt Owner Manual - 2012
5-46 Instruments and Controls
Trip A and Trip B
The trip displays show fuel used,
average fuel economy, and distance
traveled since the last trip reset.
Reset the trip data by pressing and
holding the SELECT button when
either Trip A or Trip B is displayed.
Oil Life
This displays the percentage of
remaining oil life. The lower
the percentage, the closer the
vehicle is to needing an oil change.
When the oil life is depleted, the
CHANGE ENGINE OIL SOON
message displays. Change the oil
as soon as possible. Additional
maintenance is also recommended
in the Maintenance Schedule. See
Maintenance Schedule on
page 11‑3andEngine Oil on
page 10‑9. The oil life must be reset after each
oil change. Avoid accidental
resetting of the Engine Oil Life
System. It cannot be reset
accurately until the next oil change.
To reset the Engine Oil Life System,
see
Engine Oil Life System on
page 10‑12. The system is reset
when 100% displays.
Tire Pressure
The display will show a vehicle with
the approximate pressures of all
four tires. Tire pressure is displayed
in either kilopascals (kPa) or in
pounds per square inch (psi).
If a low or high tire pressure is
detected, a message is displayed
advising to check the tire pressure
in the specified tire. See Tire
Pressure on page 10‑50 andTire
Messages on page 5‑55 for more
information. If the tire pressure display shows
dashes instead of a value, there
may be a problem with the vehicle.
See your dealer for service.
Vehicle Messages
Turn the SELECT knob to scroll
through any active warning
messages. Press SELECT to review
the messages.
Units
Turn the SELECT knob to change
the unit display to METRIC or US
when the display is active. Press
SELECT to confirm the setting. This
will change the displays on the
cluster and DIC to either metric or
English (US) measurements.

Black plate (49,1)Chevrolet Volt Owner Manual - 2012
Instruments and Controls 5-49
Cruise Control Messages
CRUISE SET TO XXX
This message displays when the
cruise control is set and shows the
speed it was set to. SeeCruise
Control on page 9‑40 for more
information.
Door Ajar Messages
DOOR(S) OPEN, HOOD OPEN,
HATCH OPEN
A symbol will appear on the display
showing the area that is open. See
Door, Hood, or Hatch Open Light on
page 5‑28.
Drive Mode Messages
MOUNTAIN MODE NOT
AVAILABLE
This message displays when in
Mountain Mode and the mode
becomes unavailable. See “Mountain Mode”
underDriver
Selected Operating Modes on
page 9‑25.
SPORT MODE NOT
AVAILABLE
This message displays when in
Sport Mode and the mode becomes
unavailable. See “Sport Mode”
under Driver Selected Operating
Modes on page 9‑25.
Electric Drive Unit
Messages
SHIFT TO PARK
This message displays when the
vehicle should be shifted to
P (Park). This may appear when
attempting to turn off the vehicle
when it is not in P (Park).
Engine Cooling System
Messages
ENGINE
OVERHEATED —REDUCE
SPEED
This message displays when the
engine coolant temperature or
engine oil is too hot. Reduce speed
and allow the vehicle to cool down.
ENGINE
OVERHEATED —TURN
VEHICLE OFF
This message displays and a
continuous chime sounds if the
engine cooling system reaches
unsafe temperatures for operation.
Stop and turn off the vehicle as
soon as it is safe to do so to avoid
severe damage. This message
clears when the engine has cooled
to a safe operating temperature.

Black plate (50,1)Chevrolet Volt Owner Manual - 2012
5-50 Instruments and Controls
ENGINE RUNNING DUE TO
TEMPERATURE
This message displays when the
high voltage battery is charged but
the engine has to come on because
of the outside temperature or high
voltage battery temperature.
Engine Oil Messages
CHANGE ENGINE OIL SOON
This message displays when the
engine oil needs to be changed.
After changing the engine oil, the
Engine Oil Life System must be
reset. SeeEngine Oil Life System
on page 10‑12 andDriver
Information Center (DIC) on
page 5‑45 for information on how to
reset the system. See Engine Oil on
page 10‑9 andMaintenance
Schedule on page 11‑3 for more
information.
OIL PRESSURE LOW —TURN
VEHICLE OFF
This message displays if low oil
pressure levels occur. Stop the
vehicle as soon as safely possible
and do not operate it until the cause
of the low oil pressure has been
corrected. Check the oil as soon as
possible and have the vehicle
serviced by your dealer.
Fuel System Messages
CLOSE FUEL DOOR
This message displays when the
fuel door is open and the vehicle is
moving.
ENGINE NOT AVAILABLE
ADD FUEL
This message displays when the
engine is not available due to
running out of fuel. The vehicle can
continue to be driven in Electric
Mode until the battery is depleted,
but will have reduced acceleration. When this message is displayed,
refuel the vehicle. See
Out of Fuel/
Engine Unavailable on page 9‑27.
FUEL LEVEL LOW
This message displays when the
vehicle is low on fuel. Refuel as
soon as possible.
READY TO REFUEL
This message displays when the
fuel system is depressurized and
the vehicle can be refueled.
TIGHTEN GAS CAP
This message displays when the
fuel cap is not on tight. Tighten the
fuel cap.
WAIT TO REFUEL
This message displays when the
fuel system is pressurized and you
must to wait to refuel the vehicle.

Black plate (52,1)Chevrolet Volt Owner Manual - 2012
5-52 Instruments and Controls
Object Detection System
Messages
PARK ASSIST OFF
This message displays when the
park assist system has been turned
off or when there is a temporary
condition causing the system to be
disabled. SeeUltrasonic Parking
Assist on page 9‑42.
SERVICE PARKING ASSIST
This message displays if there is a
problem with the Ultrasonic Front
and Rear Parking Assist (UFRPA)
system. Do not use this system to
help you park. See Ultrasonic
Parking Assist on page 9‑42 for
more information. See your dealer
for service.
Propulsion Power
Messages
PROPULSION POWER IS
REDUCED
This message displays when the
propulsion power is reduced and
can affect the ability to accelerate.
If this message is on, but there is no
reduction in performance, proceed
to your destination. The
performance may be reduced the
next time the vehicle is driven. The
vehicle may be driven at a reduced
speed while this message is on, but
maximum acceleration and speed
may be reduced. If this message
stays on when the malfunction
indicator lamp is on, the vehicle
should be taken to your dealer for
service as soon as possible. This message can display when
driving in mountainous terrain
without using Mountain Mode or by
not entering Mountain Mode soon
enough to build a sufficient battery
charge reserve before climbing
steep grades. This is normal
operation to protect the high voltage
battery. Only if both the
PROPULSION POWER IS
REDUCED message and the
malfunction indicator lamp are on
should the vehicle be taken to the
dealer for service.
While climbing the grade with this
message displayed, the vehicle
speed may be reduced until the
engine can recover the battery state
of charge to a normal level. See
“Mountain Mode”
underDriver
Selected Operating Modes on
page 9‑25.