GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-11349114) - 2018 - crc - 9/21/17
Driving and Operating 223
ON/RUN/START (Green Indicator
Light) :This mode is for driving and
starting. With the ignition off, and
the brake pedal applied, pressing
the button once will place the
ignition system in ON/RUN/START.
Once engine cranking begins,
release the button. Engine cranking
will continue until the engine starts.
See Starting the Engine 0223. The
ignition will then remain in ON/RUN.
Service Mode
This power mode is available for
service and diagnostics, and to
verify the proper operation of the
malfunction indicator lamp as may
be required for emission inspection
purposes. With the vehicle off, and
the brake pedal not applied,
pressing and holding the button for
more than five seconds will place
the vehicle in Service Mode. The
instruments and audio systems will
operate as they do in ON/RUN, but
the vehicle will not be able to be
driven. The engine will not start in
Service Mode. Press the button
again to turn the vehicle off.Starting the Engine
Move the shift lever to P (Park) or
N (Neutral). The engine will not start
in any other position. To restart the
engine when the vehicle is already
moving, use N (Neutral) only.
Caution
Do not try to shift to P (Park) if the
vehicle is moving. If you do, you
could damage the transmission.
Shift to P (Park) only when the
vehicle is stopped.
Caution
If you add electrical parts or
accessories, you could change
the way the engine operates. Any
resulting damage would not be
covered by the vehicle warranty.
See Add-On Electrical Equipment
0 278.
Starting Procedure
1. With the Keyless Access
system, the RKE transmitter
must be in the vehicle. Press
ENGINE START/STOP with the
brake pedal applied. When the
engine begins cranking, let go
of the button.
The idle speed will go down as
the engine gets warm. Do not
race the engine immediately
after starting it.
If the RKE transmitter is not in
the vehicle, if there is
interference, or if the RKE
battery is low, the Driver
Information Center (DIC) will
display a message.
Caution
Cranking the engine for long
periods of time, by returning the
ignition to the START position
immediately after cranking has
ended, can overheat and damage
the cranking motor, and drain the
(Continued)
GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-11349114) - 2018 - crc - 9/21/17
Index 415
Hood . . . . . . . . . . . . . . . . . . . . . . . . . . . 282
Horn . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120
How to Wear Seat BeltsProperly . . . . . . . . . . . . . . . . . . . . . . . . 72
HVAC . . . . . . . . . . . . . . . . . . . . . . 198, 201
I
Ignition Positions . . . . . . . . . . . . . . . 221
Immobilizer . . . . . . . . . . . . . . . . . . . . . . 48
Indicator Pedestrian Ahead . . . . . . . . . . . . 141
Vehicle Ahead . . . . . . . . . . . . . . . . 141
Infants and Young Children, Restraints . . . . . . . . . . . . . . . . . . . . . . 93
Infotainment . . . . . . . . . . . . . . . . . . . . 173
Infotainment System . . . . . . . . . . . . 397
Instrument Cluster . . . . . . . . . . . . . . 127
Interior Rearview Mirrors . . . . . . . . . 51
Introduction . . . . . . . . . . . . . . . . . . . . . . . 2
J
Jump Starting - North America . . . . . . . . . . . . . . . . . . . . . . . 351
K
Keyless EntryRemote (RKE) System . . . . . . . . . 30
Keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
L
Labeling, Tire Sidewall . . . . . . . . . . 316
Lamps
Courtesy . . . . . . . . . . . . . . . . . . . . . . 169
Daytime Running (DRL) . . . . . . 166
Dome . . . . . . . . . . . . . . . . . . . . . . . . . 169
Exterior Controls . . . . . . . . . . . . . . 164
Exterior Lamps OffReminder . . . . . . . . . . . . . . . . . . . 166
Exterior Lighting Battery
Saver . . . . . . . . . . . . . . . . . . . . . . . 172
License Plate . . . . . . . . . . . . . . . . . 304
Malfunction Indicator (Check Engine) . . . . . . . . . . . . . 136
On Reminder . . . . . . . . . . . . . . . . . 145
Reading . . . . . . . . . . . . . . . . . . . . . . 170
Lane Change Alert (LCA) . . . . . . . 263
Lane Departure Warning (LDW) . . . . . . . . . . . . . . . . 264
Lane Keep Assist (LKA) . . . . . . . . 265
Lane Keep Assist Light . . . . . . . . . 140
Lap-Shoulder Belt . . . . . . . . . . . . . . . 73
LATCH System Replacing Parts after a
Crash . . . . . . . . . . . . . . . . . . . . . . . 105
LATCH, Lower Anchors and Tethers for Children . . . . . . . . . . . . 98
LED Lighting . . . . . . . . . . . . . . . . . . . . 304 Liftgate . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Lighting
Entry . . . . . . . . . . . . . . . . . . . . . . . . . 170
Exit . . . . . . . . . . . . . . . . . . . . . . . . . . . 171
Illumination Control . . . . . . . . . . . 169
LED . . . . . . . . . . . . . . . . . . . . . . . . . . 304
Lights
Airbag Readiness . . . . . . . . . . . . . 135
Antilock Brake System(ABS) Warning . . . . . . . . . . . . . . 140
Brake System Warning . . . . . . . 138
Charging System . . . . . . . . . . . . . 136
Check Engine (Malfunction
Indicator) . . . . . . . . . . . . . . . . . . . . 136
Cruise Control . . . . . . . . . . . . . . . . 145
Door Ajar . . . . . . . . . . . . . . . . . . . . . 145
Electric Parking Brake . . . . . . . . 139
Engine Oil Pressure . . . . . . . . . . 143
Flash-to-Pass . . . . . . . . . . . . . . . . . 166
Front Fog Lamp . . . . . . . . . . . . . . 144
High-Beam On . . . . . . . . . . . . . . . . 144
High/Low Beam Changer . . . . . 166
Hill Descent Control . . . . . . . . . . 140
Lane Keep Assist . . . . . . . . . . . . . 140
Low Fuel Warning . . . . . . . 143, 144
Seat Belt Reminders . . . . . . . . . . 134
Security . . . . . . . . . . . . . . . . . . . . . . 144
