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The finish times must be
consecutive. If a finish time does not
follow a start time, the error
message displays“An invalid entry
was found in the data entered.
Please re-enter data.”
Electric Rate Finish Time Editing
From the Edit (Summer, Winter,
or Yearly) Electric Rate Schedule
screen, touch the row to change.
1. Touchyorzto adjust
the time.
2. Touch Off-Peak, Mid-Peak, or Peak to select the
electric rate.
3. Touch
S 3to store changes. Only the finish time can be edited.
The start time is automatically
populated in the rate table.
Temporary Charge Mode
Override and Cancel
Programmed Delayed Charge
Modes can be temporarily
overridden to an Immediate Charge
Mode for one charge cycle. Also,
the next planned departure time can
be temporarily overridden for one
charge cycle. In addition to the
in-vehicle overrides via the center
stack, there are other ways to
temporarily override a Delayed
Charge Mode. See
Plug-In
Charging 0215.
Temporary Override of a Delayed
Charge Mode
To temporarily override a Delayed
Charge Mode to Immediate Charge
Mode from inside the vehicle: 1. Touch Temporary Override Options on the main charging
screen.
2. Touch Charge Immediately atPlug-In to temporarily override
to an Immediate Charge Mode.
The Temporary Charge Mode Status
screen will automatically display the
revised charge complete time.
To cancel the temporary override to
Immediate, touch the X next to the
charge mode on the main charging
screen.

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128 Instruments and Controls
Charge Mode were updated
using the customer website
(available in select regions).
. There was an unintended loss of
AC power during the plug-in
charge event. For example,
there was a power outage or the
charge cord was unplugged from
the wall.
. The charge process was
interrupted by the utility
company via OnStar as
authorized by the vehicle owner
(available in select regions).
See Utility Interruption of
Charging 0228.
Programmable Charging
Disabled
When the Programmable Charging
system is disabled, the main
charging screen will display “- -:- -”
for the Charge Complete Time. The
Programmable Charging system will
be disabled if the Charge Complete
Time cannot be confidently
estimated. If the Programmable
Charging system is consistently
disabled, see your dealer.
Energy Information
To view Energy Usage, Energy
Usage Score, and Energy Details,
touch Energy on the infotainment
display, touch INFO, then touch
hor
k. To reset the values, the high
voltage battery needs to be fully
recharged. Energy Usage
The Energy Usage screen displays
information for the total of all drive
cycles since the last time the high
voltage battery was fully charged.
This includes:
.
Distance traveled in
Electric Mode
. Distance traveled in Extended
Range Mode
. Total distance traveled
. Electric energy used from the
battery
. Total fuel used
. Average fuel economy

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The electric equivalent to fuel
economy is MPGe. Touch MPG on
the screen to view. When dashes
are displayed, the maximum limits to
some values have been reached.
The circle graph displays
the percentage of distance traveled
using Electric Mode versus
Extended Range Mode. The
Lifetime fuel economy is a total over
the life of the vehicle and can only
be reset by the dealer. The Energy
Usage information will also appear
automatically on power off when
Retained Accessory Power is
active. This pop-up can be disabled.
See“Energy Summary Pop-up”
under Vehicle
Personalization 0141. Energy Usage Score
The Energy Usage Score screen
provides an estimate of the factors
that influence energy usage since
the last full charge of the high
voltage battery. A positive score is
desired to reach the vehicle’s
electric and fuel economy rating.
.
Technique includes accelerating
and braking.
. Terrain includes road conditions,
such as hills, rain, and snow and
may be affected by wind and tire
pressure.
. Climate Settings includes how
the heating and air conditioning
are used. .
Outside Temperature includes
the effect that hot or cold air has
on vehicle aerodynamics.
. Score is the sum of the
individual scores.
The individual scores provide an
understanding of how electric and
fuel economy are different from
day-to-day, even when traveling the
same route.
All values are reset after a complete
charge and may not be stable until
approximately 10 miles have been
driven.
Energy Details
The Energy Details screen displays
how energy is being used since the
last time the high voltage battery
was fully charged. It includes

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The Average Fuel Economy display
shows the approximate average
liters per 100 kilometers (L/100 km)
or miles per gallon (mpg). This
number is calculated based on the
number of L/100 km (mpg) recorded
since the last time this menu item
was reset. This number reflects only
the approximate average fuel
economy that the vehicle has right
now, and will change as driving
conditions change. The Average
Fuel Economy can be reset along
with the trip odometer by pressing
and holding
Vwhile this display is
active.
Compass and Speed : Shows the
direction the vehicle is driving and
the vehicle speed in either
kilometers per hour (km/h) or miles
per hour (mph).
Total Range : Shows the remaining
distance the vehicle can be driven
combining the electric range and
fuel range. Oil Life :
The Oil Life display shows
an estimate of the oil's remaining
useful life. If REMAINING OIL LIFE
99% is displayed, that means 99%
of the current oil life remains.
When the remaining oil life is low,
the CHANGE ENGINE OIL SOON
message will appear on the display.
See Engine Oil Messages 0134.
The oil should be changed as soon
as possible. See Engine Oil0243.
In addition to the engine oil life
system monitoring the oil life,
additional maintenance is
recommended. See Maintenance
Schedule 0326.
Remember, the Oil Life display must
be reset after each oil change. It will
not reset itself. Also, be careful not
to reset the Oil Life display
accidentally at any time other than
when the oil has just been changed.
It cannot be reset accurately until
the next oil change. To reset the
engine oil life system, press and
hold
Vfor several seconds while
the Oil Life display is active. See
Engine Oil Life System 0245. Tire Pressure :
Shows the
approximate pressures of all four
tires. Tire pressure is displayed in
either kilopascal (kPa) or in pounds
per square inch (psi). If the pressure
is low, the value for that tire is
shown in amber. See Tire Pressure
Monitor System 0280 andTire
Pressure Monitor Operation 0281.
Average Speed : Shows the
average speed of the vehicle in
kilometers per hour (km/h) or miles
per hour (mph). This average is
calculated based on the various
vehicle speeds recorded since the
last reset of this value. The average
speed can be reset by pressing and
holding
Vwhile this display is
active.
Timer : This display can be used as
a timer. To start the timer, press
V
while this display is active. The
display will show the amount of
time that has passed since the timer
was last reset. To stop the timer,
press
Vbriefly while this display
is active and the timer is running.

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Instruments and Controls 133
LOW BATTERY
This message displays when the
12-volt battery voltage is low. See
Battery - North America0256.
SERVICE BATTERY
CHARGING SYSTEM
This message displays when there
is a fault in the 12-volt battery
charging system. See 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 0254.
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 0188.
SERVICE BRAKE ASSIST
This message displays when there
is a problem with the brake boost
system. When this message
displays, the brake pedal may be
harder to push and the stopping
distance may be longer. See your
dealer for service.
SERVICE PARKING BRAKE
This message displays when there
is a problem with the Electric
Parking Brake. See 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 0188.
Compass Messages
Dashes may be displayed if the
vehicle temporarily loses
communication with the Global
Positioning System (GPS).
Cruise Control Messages
CRUISE SET TO XXX
This message displays when the
cruise control is set and shows the
speed it was set to. See Cruise
Control 0194.
Door Ajar Messages
DOOR OPEN
A door open symbol will be
displayed on the DIC showing which
door is open. If the vehicle has been
shifted out of P (Park), a DOOR
OPEN message will also be
displayed. The DOOR OPEN
message may also be displayed if
the vehicle starts to move. Close the
door completely.

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134 Instruments and Controls
HOOD OPEN
This message will display along with
a hood open symbol when the hood
is open. Close the hood completely.
TRUNK OPEN
This message will display along with
a symbol when the hatch is open.
Close the hatch completely.
Electric Drive Unit
Messages
SHIFT FROM NEUTRAL
This message displays when the
vehicle should be shifted from
N (Neutral). If the vehicle remains in
electric neutral at low vehicle
speeds, the vehicle will not be able
to charge the high voltage battery.
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.
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. See Engine Oil Life System
0 245 andDriver Information Center
(DIC) 0130 for information on how
to reset the system. See Engine Oil
0 243 andMaintenance
Schedule 0326.
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 see your dealer for
service.

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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. SeeOut of Fuel/
Engine Unavailable 0183.
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. You
must wait to refuel the vehicle until
this message goes off.
Key and Lock Messages
NO REMOTE KEY WAS
DETECTED PLACE KEY IN
TRANSMITTER POCKET THEN
START YOUR VEHICLE
This message displays when trying
to start the vehicle if an RKE
transmitter is not detected. The
transmitter battery may be weak.
See “Starting the Vehicle with a Low
Transmitter Battery” underRemote
Keyless Entry (RKE) System
Operation 030.
NO REMOTE DETECTED
This message displays when the
transmitter battery may be weak.
See “Starting the Vehicle with a Low
Transmitter Battery” underRemote
Keyless Entry (RKE) System
Operation 030.
NO REMOTE DETECTED
PRESS BRAKE TO RESTART
This message displays when
attempting to turn off the vehicle
and the RKE transmitter is no longer
detected. Restarting is allowed
without the RKE transmitter for
five minutes. Press the brake pedal
and ENGINE START/STOP to
restart the vehicle.
NUMBER OF KEYS
PROGRAMMED
This message displays when
programming new keys to the
vehicle.
REMOTE LEFT IN VEHICLE
This message displays when
leaving the vehicle with the RKE
transmitter still inside.

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TRACTION CONTROL ON
This message displays when the
Traction Control System (TCS) is
turned on.
Airbag System Messages
SERVICE AIRBAG
This message displays if there is a
problem with the airbag system. See
your dealer for service.
Security Messages
SERVICE THEFT ALARM
This message displays if there is a
problem with the alarm. See your
dealer for service.
SERVICE THEFT DETERRENT
SYSTEM
This message displays if there is a
problem with the theft-deterrent
system. See your dealer for service.
Service Vehicle Messages
ENGINE MAINTENANCE XXX%
COMPLETE
This message displays when the
Engine Maintenance Mode is
running. See“Engine Maintenance
Mode (EMM)” underMaintenance
Modes 0183.
ENGINE NOT AVAILABLE
SERVICE SOON
This message displays when the
engine is not available due to a
malfunction that will not allow the
engine to start. 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,
the vehicle should be taken to your
dealer for service as soon as
possible. See Out of Fuel/Engine
Unavailable 0183.
SERVICE AC SYSTEM
This message displays if there is a
problem with the air conditioning
system. See your dealer for service.
SERVICE HEATER SOON
This message displays if there is a
problem with the heater system.
See your dealer for service.
SERVICE POWER STEERING
This message displays and a chime
may sound when there may be a
problem with the power steering
system. If this message displays
and a reduction in steering
performance or loss of power
steering assistance is noticed, see
your dealer for service.
SERVICE VEHICLE SOON
This message displays if there is a
problem with the vehicle. See your
dealer for service. Depending on the
severity of a crash, this message
may come on along with the airbag
readiness light.