2015 GMC YUKON Owner's Manual

Black plate (32,1)GMC Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-7063682) - 2015 - crc - 6/5/14
5-32 Instruments and Controls
Cruise Control Messages
ADAPTIVE CRUISE SET
TO XXX
This message displays when the
Adaptive Cruise Control (ACC)
speed is set. SeeAdaptive Cruise
Control on page 9-51.
ADAPTIVE CRUISE
TEMPORARILY UNAVAILABLE
This message displays when
attempting to activate Adaptive
Cruise Control (ACC) when it is
temporarily unavailable. The ACC
system does not need service.
This can occur under the following
conditions:
.The radar is not clean. Keep the
radar sensors free of mud, dirt,
snow, ice, and slush. Clean the
entire front and/or rear of the
vehicle. For cleaning
instructions, see Exterior Care
on page 10-86.
.Heavy rain or snow is interfering
with the radar object detection or
camera performance.
CRUISE SET TO XXX
This message displays when the
cruise control speed is set. See
Cruise Control on page 9-48.
NO CRUISE BRAKING GAS
PEDAL APPLIED
This message displays when
Adaptive Cruise Control (ACC) is
active and the driver is pressing the
gas pedal. When this occurs, ACC
will not brake. See Adaptive Cruise
Control on page 9-51.
SERVICE ADAPTIVE CRUISE
CONTROL
If this message displays, take the
vehicle to your dealer to repair the
system. Adaptive Cruise Control
(ACC), Forward Collision Alert
(FCA), and/or the Active Emergency
Braking System may not work. Do
not use these systems until the
vehicle has been repaired.
SHIFT TO PARK BEFORE
EXITING
This message may display if
Adaptive Cruise Control (ACC) is
engaged holding the vehicle at a
stop, and the driver attempts to exit
the vehicle. Put the vehicle in
P (Park) before exiting.
Door Ajar Messages
DOOR OPEN
This message displays and a chime
may sound if a door is not fully
closed. Stop and turn off the
vehicle, check the door for
obstructions, and close the door
again. Check to see if the message
still appears on the DIC.
HOOD OPEN
This message displays and a chime
may sound if the hood is not fully
closed. Stop and turn off the
vehicle, check the hood for
obstructions, and close the hood
again. Check to see if the message
still appears on the DIC.

Black plate (33,1)GMC Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-7063682) - 2015 - crc - 6/5/14
Instruments and Controls 5-33
REAR ACCESS OPEN
This message will display when the
liftgate is open. Close the liftgate
completely.
Engine Cooling System
Messages
A/C OFF DUE TO HIGH
ENGINE TEMP
This message displays when the
engine coolant becomes hotter than
the normal operating temperature.
SeeEngine Coolant Temperature
Gauge on page 5-15. To avoid
added strain on a hot engine, the air
conditioning compressor
automatically turns off. When the
coolant temperature returns to
normal, the air conditioning
compressor turns back on. You can
continue to drive your vehicle.
If this message continues to appear,
have the system repaired by your
dealer as soon as possible to avoid
damage to the engine.
ENGINE OVERHEATED IDLE
ENGINE
This message displays when the
engine coolant temperature is too
hot. Stop and allow the vehicle to
idle until it cools down. See Engine
Coolant Temperature Gauge on
page 5-15.
When towing, use tow/haul mode to
prevent damage to the engine or
transmission. See Tow/Haul Mode
on page 9-35.
ENGINE OVERHEATED STOP
ENGINE
This message displays and a chime
may sound 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 Oil Messages
CHANGE ENGINE OIL SOON
This message displays when the
engine oil needs to be changed.
When you change the engine oil, be
sure to reset the CHANGE ENGINE
OIL SOON message. See Engine
Oil Life System on page 10-9 for
information on how to reset the
message. See Engine Oil on
page 10-6 andMaintenance
Schedule on page 11-2.
ENGINE OIL LOW ADD OIL
On some vehicles, this message
displays when the engine oil level
may be too low. Check the oil level
before filling to the recommended
level. If the oil is not low and this
message remains on, take the
vehicle to your dealer for service.
See Engine Oil on page 10-6.

Black plate (34,1)GMC Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-7063682) - 2015 - crc - 6/5/14
5-34 Instruments and Controls
ENGINE OIL HOT IDLE
ENGINE
This message displays when the
engine oil becomes hotter than the
normal operating temperature. Stop
and allow the vehicle to idle until it
cools down. SeeEngine Coolant
Temperature Gauge on page 5-15.
OIL PRESSURE LOW STOP
ENGINE
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. See Engine
Oil on page 10-6.
Engine Power Messages
ENGINE POWER IS REDUCED
This message displays and a chime
may sound when the cooling system
temperature gets too hot and the
engine further enters the engine
coolant protection mode. See
Engine Overheating on page 10-18
for more information.
This message also displays when
the vehicle's engine power is
reduced. Reduced engine power
can affect the vehicle's 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 acceleration and
speed may be reduced. Anytime
this message stays on, the vehicle
should be taken to your dealer for
service as soon as possible.
Fuel System Messages
FUEL LEVEL LOW
This message displays and a chime
may sound if the fuel level is low.
Refuel as soon as possible. See
Fuel Gauge on page 5-13 andFuel
on page 9-70.
TIGHTEN GAS CAP
This message may display along
with the malfunction indicator lamp
on the instrument cluster if the
vehicle's fuel cap is not tightened
properly. See Malfunction Indicator
Lamp on page 5-19. Reinstall the
fuel cap fully. See Filling the Tank
on page 9-72. The diagnostic
system can determine if the fuel cap
has been left off or improperly
installed. A loose or missing fuel
cap allows fuel to evaporate into the
atmosphere. A few driving trips with
the cap properly installed should
turn this light and message off.

Black plate (35,1)GMC Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-7063682) - 2015 - crc - 6/5/14
Instruments and Controls 5-35
Key and Lock Messages
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 (Keyless Access) on
page 2-7 orRemote Keyless Entry
(RKE) System Operation (Key
Access) on page 2-5.
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 (Keyless Access) on
page 2-7 orRemote Keyless Entry
(RKE) System Operation (Key
Access) on page 2-5.
NO REMOTE PRESS BRAKE
TO RESTART
This message displays when
attempting to turn off the vehicle
and the remote is no longer
detected. Restarting is allowed
without the remote for five minutes.
Press the brake pedal 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.
REPLACE BATTERY IN
REMOTE KEY
This message displays when the
battery in the RKE transmitter needs
to be replaced.
Lamp Messages
TURN SIGNAL ON
This message displays and a chime
sounds if a turn signal is left on for
1.2 km (0.75 mi). Move the turn
signal lever to the off position.
Object Detection System
Messages
AUTOMATIC COLLISION
PREP OFF
This message displays when the
Active Emergency Braking System
has been turned off. See Active
Emergency Braking System on
page 9-64.

Black plate (36,1)GMC Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-7063682) - 2015 - crc - 6/5/14
5-36 Instruments and Controls
AUTOMATIC COLLISION PREP
REDUCED
This message displays when the
Active Emergency Braking System
has been set to the Alert setting.
This setting disables most automatic
braking functions of the Auto
Collision Preparation feature. Some
last-second automatic braking
capability is still provided with the
Alert setting, but braking is less
likely to occur. SeeActive
Emergency Braking System on
page 9-64.
AUTOMATIC COLLISION PREP
UNAVAILABLE
This message displays when the
Active Emergency Braking System
has been unavailable for some time.
The Active Emergency Braking
System does not need service.
This can occur under the following
conditions:
.The radar is not clean. Keep the
radar sensors free of mud, dirt,
snow, ice, and slush. Clean the entire front and/or rear of the
vehicle. For cleaning
instructions, see
Exterior Care
on page 10-86.
.Heavy rain or snow is interfering
with the radar object detection or
camera performance.
This message may also be
displayed if there is a problem with
the StabiliTrak system.
FORWARD COLLISION
ALERT OFF
This message displays when the
Forward Collision Alert has been
turned off.
FRONT CAMERA BLOCKED
CLEAN WINDSHIELD
This message displays when the
camera is blocked. Cleaning the
outside of the windshield behind the
rearview mirror may correct the
issue. The Lane Departure Warning
system will not operate. Adaptive
Cruise Control (ACC), Forward Collision Alert (FCA), and the Active
Emergency Braking System may not
work or may not work as well.
LANE DEPARTURE WARNING
UNAVAILABLE
This message displays when
attempting to activate the Lane
Departure Warning (LDW) system
when it is temporarily unavailable.
The LDW system does not need
service.
This message could be due to the
camera being blocked. Cleaning the
outside of the windshield behind the
rearview mirror may correct the
issue.
PARK ASSIST OFF
This message displays when the
Parking Assist system has been
turned off or when there is a
temporary condition causing the
system to be disabled.

Black plate (37,1)GMC Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-7063682) - 2015 - crc - 6/5/14
Instruments and Controls 5-37
SERVICE AUTOMATIC
COLLISION PREP
If this message displays, take the
vehicle to your dealer to repair the
system.
Adaptive Cruise Control (ACC),
Forward Collision Alert (FCA), and
Active Emergency Braking System
may not work. Do not use these
systems until the vehicle has been
repaired.
SERVICE FRONT CAMERA
If this message remains on after
continued driving, the vehicle needs
service. Do not use the Lane
Departure Warning (LDW) and
Forward Collision Alert (FCA)
features. Take the vehicle to your
dealer.
SERVICE PARK ASSIST
This message displays if there is a
problem with the Parking Assist
system. Do not use this system to
help you park. See your dealer for
service.
SIDE BLIND ZONE ALERT OFF
This message indicates that the
driver has turned the Lane Change
Alert and Side Blind Zone Alert
(SBZA) systems off.
SERVICE SIDE DETECTION
SYSTEM
If this message remains on after
continued driving, the vehicle needs
service. Lane Change Alert, Side
Blind Zone Alert (SBZA) and Rear
Cross Traffic Alert (RCTA) features
will not work. Take the vehicle to
your dealer.
SIDE DETECTION SYSTEM
UNAVAILABLE
This message indicates that Lane
Change Alert, Side Blind Zone Alert
(SBZA) and Rear Cross Traffic Alert
(RCTA) are disabled either because
the sensor is blocked and cannot
detect vehicles in the blind zone,
or the vehicle is passing through an
open area, such as the desert,
where there is insufficient data for
operation. This message may alsoactivate during heavy rain or due to
road spray. The vehicle does not
need service. For cleaning, see
"Washing the Vehicle" under
Exterior Care on page 10-86.
Ride Control System
Messages
SERVICE LEVELING SYSTEM
If the vehicle has the MagneRide®
suspension system or Automatic
Level Control, this message
displays when the leveling system is
not operating properly. Have the
vehicle serviced by your dealer.
SERVICE STABILITRAK
If this message displays, it means
there may be a problem with the
StabiliTrak system. If you see this
message, try to reset the system.
Stop; turn off the engine for at least
15 seconds; then start the engine
again. If this message still comes
on, it means there is a problem. You
should see your dealer for service.
The vehicle is safe to drive;

Black plate (38,1)GMC Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-7063682) - 2015 - crc - 6/5/14
5-38 Instruments and Controls
however, you do not have the
benefit of StabiliTrak, so reduce
your speed and drive accordingly.
SERVICE SUSPENSION
SYSTEM
If the vehicle has the MagneRide®
suspension system, this message
displays when the suspension
system is not operating properly.
Have the vehicle serviced by your
dealer.
SERVICE TRACTION
CONTROL
This message displays when there
is a problem with the Traction
Control System (TCS). When this
message displays, the system will
not limit wheel spin. Adjust your
driving accordingly. See your dealer
for service. SeeTraction Control/
Electronic Stability Control on
page 9-44.
STABILITRAK INITIALIZING
This message may come on if the
StabiliTrak system has not fully
initialized because of road
conditions or the incorrect tire size.
When the StabiliTrak system is fully
initialized, the message will turn off.
See Traction Control/Electronic
Stability Control on page 9-44. If this
message continues to be displayed
for multiple ignition cycles and on
different road surfaces, see your
dealer for service.
TRACTION CONTROL OFF
This message displays when the
traction control has been turned off.
See Traction Control/Electronic
Stability Control on page 9-44.
TRACTION CONTROL ON
This message displays when the
traction control is active. See
Traction Control/Electronic Stability
Control on page 9-44.
STABILITRAK OFF
This message displays when the
StabiliTrak system has been turned
off. Adjust your driving accordingly.
To limit wheel spin and realize the
full benefits of the stability
enhancement system, you should
normally leave StabiliTrak on. See
Traction Control/Electronic Stability
Control on page 9-44.
STABILITRAK OFF may also
display when the stability control
has been automatically disabled.
Several conditions can cause this
message to appear:
.If the system is overheating,
which could occur if StabiliTrak
activates continuously for an
extended period of time.
.If the brake system warning light
is on. See Brake System
Warning Light on page 5-21.
.If the stability system takes
longer than usual to complete its
diagnostic checks due to driving
conditions.

Black plate (39,1)GMC Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-7063682) - 2015 - crc - 6/5/14
Instruments and Controls 5-39
.If an engine or vehicle-related
problem has been detected and
the vehicle needs service. See
your dealer.
.If the transfer case is in
Four-Wheel Drive Low.
The message turns off as soon as
the conditions that caused the
message to be displayed are no
longer present.
Airbag System Messages
SERVICE AIR BAG
This message displays if there is a
problem with the airbag system.
Have your dealer inspect the
system for problems. See Airbag
Readiness Light on page 5-17 and
Airbag System on page 3-28 for
more information.
Security Messages
SERVICE THEFT DETERRENT
SYSTEM
This message displays when there
is a problem with the theft-deterrent
system. The vehicle may or may not
restart, so you may want to take the
vehicle to your dealer before turning
off the engine. See Immobilizer
Operation (Keyless Access) on
page 2-25 orImmobilizer Operation
(Key Access) on page 2-24.
Steering System
Messages
STEERING ASSIST IS
REDUCED DRIVE WITH CARE
This message may display if a
problem occurs with the electric
power steering system. If this
message appears, steering effort
may be slightly higher than normal.
The vehicle is still safe to drive. Use
caution while in reduced assist
mode. If this message is persistent or appears repeatedly, take the
vehicle to your dealer for service.
See
Steering on page 9-4.
SERVICE POWER STEERING
This message displays when there
is a problem with electric power
steering. Take the vehicle to your
dealer for service. See Steering on
page 9-4.
Tire Messages
SERVICE TIRE MONITOR
SYSTEM
If equipped with the Tire Pressure
Monitor System (TPMS), this
message displays if a part on the
system 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 5-25. Several
conditions may cause this message
to appear. See Tire Pressure
Monitor Operation on page 10-54.