service CHEVROLET CORVETTE C6 2012 Owner's Guide

Black plate (39,1)Chevrolet Corvette Owner Manual - 2012
Instruments and Controls 5-39
HATCH AJAR (Coupe)
This message displays when the
hatch is not closed completely.
Make sure that the hatch is closed
completely. SeeHatch on page 2‑11
for more information.
PASSENGER DOOR AJAR
This message displays if the
passenger door is not closed
properly. Make sure that the door is
closed completely.
TONNEAU AJAR (Convertible)
This message displays when the
convertible top is not closed
completely. Make sure that the
top is closed completely. See
Convertible Top on page 2‑24 for
more information.
TRUNK AJAR (Convertible)
This message displays when the
trunk is not closed completely.
Make sure that the trunk is closed
completely. See Hatch on page 2‑11
for more information.
Engine Cooling System
Messages
CHECK COOLANT LEVEL
This message displays when
the engine coolant level is low.
Have the cooling system serviced
by your dealer as soon as possible.
See Engine Coolant on page 10‑26.
COOLANT OVER
TEMPERATURE
This message displays and a sound
will be heard if the engine coolant
exceeds 124°C (255°F). If you have
been operating the vehicle under
normal driving conditions, pull off
the road, stop the vehicle, and turn
off the engine as soon as possible.
You can monitor the coolant
temperature with the gauges
button on the DIC or the engine
coolant temperature gauge on
the instrument panel cluster. See
Engine Overheating on
page 10‑30, Driver Information
Center (DIC) on page 5‑26, and
Engine Coolant Temperature Gauge
on page 5‑16.
To acknowledge the message, press
the RESET button. The message
and sound will come back on until
this condition changes. If you do not
press the RESET button, the
message remains on until the
condition changes.ENGINE OVERHEATED –
STOP ENGINE
This message displays and a sound
will be heard when the engine has
overheated. Stop and turn the
engine off immediately to avoid
severe engine damage. See Engine
Overheating on page 10‑30.

Black plate (40,1)Chevrolet Corvette Owner Manual - 2012
5-40 Instruments and Controls
ENGINE PROTECTION
REDUCE ENGINE RPM
This message displays if the engine
oil temperature exceeds 160°C
(320°F). Check the engine coolant
temperature and engine oil level.
If the engine is too hot, seeEngine
Overheating on page 10‑30.
The vehicle may need service, so
see your dealer.
You can monitor the oil temperature
with the gauges button on the DIC.
See Driver Information Center (DIC)
on page 5‑26.
Multiple chimes sound when
this message is displayed. This
message remains displayed and
active until the issue is resolved.
HOT ENGINE AIR
CONDITIONING OFF
This message displays when the
engine coolant becomes hotter than
the normal operating temperature. To avoid added strain on a hot
engine, the air conditioning
compressor is automatically turned
off. When the coolant temperature
returns to normal, the A/C operation
automatically resumes. You can
continue to drive the vehicle. If this
message continues to appear, have
the system repaired by your dealer
as soon as possible to avoid
compressor damage.
Engine Oil Messages
CHANGE ENGINE OIL
This message displays when the
life of the engine oil has expired.
See
Maintenance Schedule on
page 11‑3. After an oil change, the
engine oil life system must be reset.
See “Engine Oil Life” underDriver
Information Center (DIC) on
page 5‑26. Also, see Engine Oil on
page 10‑14 andEngine Oil Life
System on page 10‑19 for more
information.
CHECK OIL LEVEL
On some vehicles, this message
displays and two chimes sound if
the oil level in the vehicle is low.
Once the vehicle senses a change
in the engine oil level, the light
remains off.
If this message appears after
starting the engine, the engine oil
level may be too low. You may need
to add oil. See Engine Overheating
on page 10‑30.
To acknowledge the message, press
the RESET button. The message
reappears every 10 minutes until
this condition changes.
LOW OIL PRESSURE
This message displays if low oil
pressure levels occur. If this
message appears while the engine
is running, stop the engine and do
not operate it until the cause of low
oil pressure is corrected. Severe
damage to the engine can result.

Black plate (41,1)Chevrolet Corvette Owner Manual - 2012
Instruments and Controls 5-41
A sound will be heard when this
message is displayed. SeeEngine
Oil on page 10‑14.
Engine Power Messages
ENGINE DRAG CONTROL
ACTIVE
This message displays when engine
drag control is active. When driving
in a lower gear in rainy, snowy,
or icy conditions and then letting up
on the accelerator or downshifting,
the rear wheels may begin to slip
and this message displays.
This message stays on for a few
seconds following the engine drag
control event.
REDUCED ENGINE POWER
If this message displays and the
check engine light comes on, a
noticeable reduction in the vehicle's
performance may occur. If the
REDUCED ENGINE POWER
message is displayed, 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 the REDUCED
ENGINE POWER message is
displayed, but acceleration and
speed may be reduced. Anytime the
check engine light stays on, the
vehicle should be taken to your
dealer as soon as possible for
diagnosis and repair. See
Malfunction Indicator Lamp on
page 5‑19
for more information.
Multiple chimes sound when this
message is displayed.
To acknowledge the message, press
the RESET button. The message
reappears every five minutes until
this condition changes.
If the REDUCED ENGINE
POWER message is displayed in
combination with the COOLANT
OVER TEMPERATURE message,
see Engine Overheating on
page 10‑30.
Fuel System Messages
CHECK GAS CAP
This message displays if the fuel
cap has not been fully tightened.
Check the fuel cap to make sure
that it is on properly. Once
tightened, it takes at least one
overnight park to reset or clear this
message. If both the CHECK GAS
CAP message and the malfunction
indicator lamp in the instrument
panel cluster are on, you may need
to see your dealer for service.
See Malfunction Indicator Lamp on
page 5‑19 for more information.
LOW FUEL
This message displays when the
fuel tank is less than 10 percent
full and the display is turned off.
A sound will be heard when this
message is displayed. Refill the fuel
tank as soon as possible. See Fuel
Gauge on page 5‑12.

Black plate (42,1)Chevrolet Corvette Owner Manual - 2012
5-42 Instruments and Controls
SERVICE FUEL SYSTEM
This message displays if the
Powertrain Control Module (PCM)
has detected a problem within the
fuel system. Have the vehicle
serviced by your dealer. This
message also displays when the
cluster is not getting fuel information
from the PCM.
Key and Lock Messages
FOB AUTOLEARN WAIT
XX MINUTES
See“Matching Transmitter(s) to
Your Vehicle” underRemote
Keyless Entry (RKE) System
Operation on page 2‑3.
FOB BATTERY LOW
See “Battery Replacement” under
Remote Keyless Entry (RKE)
System Operation on page 2‑3.
KNOWN FOB
See “Matching Transmitter(s) to
Your Vehicle” underRemote
Keyless Entry (RKE) System
Operation on page 2‑3.
MAXIMUM NUMBER OF FOBS
LEARNED
See “Matching Transmitter(s) to
Your Vehicle” underRemote
Keyless Entry (RKE) System
Operation on page 2‑3.
NO FOBS DETECTED
This message displays if the vehicle
does not detect the presence of a
Remote Keyless Entry (RKE)
transmitter when you have
attempted to start the vehicle or
a vehicle door has just closed.
The following conditions may cause
this message to appear.
.Driver-added equipment plugged
into the accessory power outlet
on the center console is causing interference. Examples of these
devices are cell phones and cell
phone chargers, two-way radios,
power inverters, or similar items.
Try moving the RKE transmitter
away from these devices when
starting the vehicle. In addition,
PDA devices and remote garage
and gate openers may also
generate Electromagnetic
Interference (EMI) that may
interfere with the RKE
transmitter. Do not carry the
RKE transmitter in the same
pocket or bag as these devices.
.The vehicle is experiencing
Electromagnetic Interference
(EMI). Some locations, such as
airports, automatic toll booths,
and some gas stations have EMI
fields which may interfere with
the RKE transmitter.

Black plate (44,1)Chevrolet Corvette Owner Manual - 2012
5-44 Instruments and Controls
Ride Control System
Messages
ACTIVE HANDLING
This message displays when the
Active Handling System is
operating. The Active Handling
System is a computer controlled
system that assists the driver in
controlling the vehicle in difficult
driving conditions. You may feel or
hear the system working and see
the ACTIVE HANDLING message
displayed in the DIC. This message
stays on for a few seconds following
the active handling event. This is
normal when the system is
operating. SeeActive Handling
System on page 9‑38 andBraking
on page 9‑4.
ACTIVE HANDLING READY
This message displays when the
functional check of the Active
Handling System has been
completed. See Active Handling
System on page 9‑38 for more
information.
COMPETITIVE DRIVING MODE
This message displays and a
sound will be heard when the
Competitive Driving mode is
selected. The instrument panel
cluster light will be on when the
Competitive Driving mode is
selected. If your vehicle is equipped
with a manual transmission,
Launch Control is available when
this mode is selected. The Traction
Control System (TCS) will not be
operating while in the Competitive
Driving mode. Adjust your driving
accordingly. This system is available
on all models except ZR1 and Z06. See
Competitive Driving Mode on
page 9‑39, including the “Launch
Control” information.
MAXIMUM SPEED 129 km/h
(80 MPH)
This message displays when a
malfunction is present in the
Selective Ride Control system.
The vehicle speed will be limited to
a value determined by the vehicle
when the shock absorber system
has failed and the shocks are in
their full soft mode. Have the vehicle
serviced by your dealer as soon as
possible.
To acknowledge the message, press
the RESET button. The message
reappears every 10 minutes until
this condition changes.

Black plate (46,1)Chevrolet Corvette Owner Manual - 2012
5-46 Instruments and Controls
PERF TRAC 4–SPORT
ACTIVE HANDLING OFF
This message displays and a sound
will be heard when this Performance
Traction Management mode is
selected. The instrument panel
cluster light will also be on when
this mode is selected. Launch
Control is available when this mode
is selected. In this mode the
Traction Control is available but
intended for use on dry race track
conditions. The Active Handling
System is disabled when this mode
is selected. This mode will require
more driver skill than modes 1-3.
Adjust your driving accordingly.
This system is available only
on ZR1 and Z06 models.
See “Performance Traction
Management” and“Launch Control”
under Competitive Driving Mode on
page 9‑39 for more information
about the use of this mode.
PERF TRAC 5 –RACE ACTIVE
HANDLING OFF
This message displays and a sound
will be heard when this Performance
Traction Management mode is
selected. The instrument panel
cluster light will also be on when
this mode is selected. Launch
Control is available when this mode
is selected. In this mode the
Traction Control is available but
intended for use on dry race track
conditions. The Active Handling
System is disabled when this
mode is selected. This mode will
require more driver skill than
modes 1-4. Adjust your driving
accordingly. This system is available
only on ZR1 and Z06 models.
See “Performance Traction
Management” and“Launch Control”
under Competitive Driving Mode on
page 9‑39 for more information
about the use of this mode.
SERVICE ACTIVE HANDLING
SYSTEM
This message displays if there is a
problem with the Active Handling
System and the vehicle needs
service. The active handling system
light on the instrument panel cluster
also turns on and a sound will be
heard. See your dealer. When this
message is displayed, the system is
not working. Adjust your driving
accordingly. See Active Handling
System on page 9‑38 for more
information.
SERVICE RIDE CONTROL
This message displays when the
Selective Ride Control system has
detected a malfunction and the
system must be serviced.
See your dealer. If a fault is
present in the Selective Ride
Control system which causes the
shocks to be in their full soft
condition, the messages SERVICE
RIDE CONTROL, SHOCKS

Black plate (47,1)Chevrolet Corvette Owner Manual - 2012
Instruments and Controls 5-47
INOPERATIVE, and MAXIMUM
SPEED 129 km/h (80 MPH) will
display together. SeeSelective Ride
Control on page 9‑43 for more
information.
SERVICE TRACTION SYSTEM
If this message displays when you
are driving, there is a problem with
the Traction Control System (TCS)
and the vehicle is in need of
service. See your dealer. When this
message is displayed, the system
will not limit wheel spin. Adjust your
driving accordingly.
The traction control system (TCS)
warning light on the instrument
panel cluster will also turn on and a
sound will be heard.
When this message is displayed,
the computer controlled systems will
not assist the driver in controlling
the vehicle. Have the system
repaired by your dealer as soon
as possible. Adjust your driving
accordingly. See Traction Control
System (TCS) on page 9‑36 for
more information. To acknowledge the message,
press the RESET button.
SHOCKS INOPERATIVE
This message displays when a
malfunction is present in the
Selective Ride Control system
which is causing the shocks to
be in their full soft mode. This is a
warning to the driver that the vehicle
handling may be affected. Have the
vehicle serviced by your dealer as
soon as possible.
To acknowledge the message, press
the RESET button . The message
reappears every 10 minutes until
this condition changes.
TRACTION SYSTEM ACTIVE
This message displays when the
Traction Control System (TCS) is
limiting wheel spin. Slippery road
conditions may exist if this message
is displayed, so adjust your driving
accordingly. The message stays on
for a few seconds after the TCS
stops limiting wheel spin. See
Traction Control System (TCS) on
page 9‑36
for more information.
TRACTION SYSTEM AND
ACTIVE HANDLING –OFF
This message displays, the
instrument panel cluster light turns
on, and a sound will be heard when
the Traction Control System (TCS)
and Active Handling System are
turned off by pressing the Active
Handling System button on the
center console for five seconds.
The Antilock Brake System (ABS)
remains on with the TCS and Active
Handling System off. Adjust your
driving accordingly. See Traction
Control System (TCS) on page 9‑36
and Active Handling System on
page 9‑38 for more information.
To acknowledge this message,
press the RESET button.

Black plate (49,1)Chevrolet Corvette Owner Manual - 2012
Instruments and Controls 5-49
This message is an additional
reminder to the safety belt reminder
light in the instrument panel cluster.
SeeSafety Belt Reminders on
page 5‑17 for more information.
Anti-theft Alarm System
Messages
INTRUSION SENSOR OFF
This message may display when the
anti-theft alarm has been disarmed.
INTRUSION SENSOR ON
This message may display when the
anti-theft alarm has been armed.
Service Vehicle Messages
SERVICE AIR CONDITIONING
This message displays when the
electronic sensors that control the
air conditioning and heating
systems are no longer working. Have the climate control system
serviced by your dealer if you
notice a drop in heating and air
conditioning efficiency.
SERVICE ELECTRICAL
SYSTEM
This message displays if an
electrical problem has occurred
within the Powertrain Control
Module (PCM). Have the vehicle
serviced by your dealer.
SERVICE VEHICLE SOON
This message displays and a sound
will be heard when there may be an
electrical or another system problem
with the vehicle. Have your vehicle
checked by your dealer if this
message keeps appearing.
Starting the Vehicle
Messages
PRESS BRAKE TO START
ENGINE (Automatic
Transmission Only)
This message displays if you try to
start the engine by pressing the
keyless ignition start button without
having the brake pressed. The
brake needs to be pressed when
starting the engine. See
Ignition
Positions on page 9‑20 for more
information.
Tire Messages
HIGH TIRE PRESSURE
This message may be displayed
when one or more of the tires is
overinflated. This message
also displays LEFT FRONT,
RIGHT FRONT, LEFT REAR,
or RIGHT REAR to indicate
which tire is affected.

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Instruments and Controls 5-51
the tire pressure values. SeeDriver
Information Center (DIC) on
page 5‑26.
To acknowledge the message,
press the RESET button.
A message reappears every
10 minutes until the condition is
corrected.
SERVICE TIRE MONITOR
This message displays if a part on
the Tire Pressure Monitor
System (TPMS) is not working
properly. The tire pressure light also
flashes and then remains on during
the same ignition cycle. See Tire
Pressure Light on page 5‑24.
Several conditions may cause this
message to appear. See Tire
Pressure Monitor Operation on
page 10‑66 for more information.
If the warning comes on and stays
on, there may be a problem with the
TPMS. See your dealer.
TIRE FLAT
{WARNING
When the LOW TIRE
PRESSURE or TIRE FLAT
message is displayed on the
Driver Information Center, your
vehicle's handling capabilities
will be reduced during severe
maneuvers. If you drive too fast,
you could lose control of your
vehicle. You or others could be
injured. Do not drive over 55 mph
(90 km/h) when the LOW TIRE
PRESSURE or TIRE FLAT
message is displayed. Drive
cautiously and check your tire
pressures as soon as you can.
This message displays when one
or more of the tires is flat. This
message also displays LEFT
FRONT, RIGHT FRONT, LEFT
REAR, or RIGHT REAR to indicate which tire is affected. Multiple
chimes sound and the tire pressure
light on the instrument panel cluster
comes on when this message is
displayed. See
Tire Pressure Light
on page 5‑24.
This message is followed by the
MAXIMUM SPEED 90 km/h
(55 MPH) message, and then by
the REDUCED HANDLING
message. The Active Handling
System will intervene more quickly
when a flat tire has been detected.
Adjust your driving accordingly.
You can receive more than
one tire pressure message at a
time. To read other messages that
may have been sent at the same
time, press the RESET button. If a
tire pressure message appears on
the DIC, stop as soon as you can.
Have the tire pressures checked
and set to those shown on the Tire
and Loading Information label.

Black plate (52,1)Chevrolet Corvette Owner Manual - 2012
5-52 Instruments and Controls
SeeRun-Flat Tires on page 10‑56,
Vehicle Load Limits on page 9‑14,
Tire Pressure on page 10‑62, and
Tire Pressure Monitor System on
page 10‑64. The DIC also shows
the tire pressure values. See Driver
Information Center (DIC) on
page 5‑26.
To acknowledge the message, press
the RESET button. A message
reappears every 10 minutes until the
condition is corrected.
Transmission Messages
SERVICE TRANSMISSION
This message displays when there
is a problem with the transmission.
See your dealer for service.
SHIFT TO PARK
If the vehicle has an automatic
transmission, this message displays
if the vehicle is not in P (Park) when
the engine is being turned off. The vehicle will be in ACCESSORY.
Once the shift lever is moved to
P (Park), the vehicle will turn off.
The vehicle will remain in
ACCESSORY, without the 20 minute
time-out period, until the shift lever
is moved to P (Park) or until the
driver presses the pushbutton to
restart the vehicle. See
Ignition
Positions on page 9‑20 for more
information.
TRANSMISSION HOT IDLE
ENGINE
This message displays and four
chimes sound if the transmission
fluid temperature rises above
132°C (270°F) or rises rapidly.
The transmission may shift gears
or apply the torque converter clutch
to reduce the fluid temperature.
Driving aggressively or driving
on long hills can cause the
transmission fluid temperature to be
higher than normal. If this message
appears, you may continue to drive at a slower speed. Monitor the
transmission fluid temperature and
allow it to cool to at least 110°C
(230°F). The transmission fluid
temperature can be monitored with
the gauges button on the DIC.
See
“DIC Operation and Displays”
under Driver Information Center
(DIC) on page 5‑26 andAutomatic
Transmission Fluid on page 10‑20.
Also check the engine coolant
temperature. If it is also hot, see
Engine Overheating on page 10‑30.
If this message is displayed during
normal vehicle operation on flat
roads, the vehicle may need
service. See your dealer for an
inspection.
If driving in a performance or
competitive manner, the use of
(S) Sport Automatic Mode or
(S) Sport Manual Paddle Shift
gear selection is recommended.
See Automatic Transmission on
page 9‑27 for more information.