2018 GMC YUKON open gas tank

GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-11349262) - 2018 - CRC - 11/3/17
262 Driving and Operating
To open the fuel door, push and
release the rearward center edge of
the door.
The vehicle has a capless refueling
system and does not have a fuel
cap. The filling nozzle must be fully
inserted and latched prior to starting
fuel flow.
{Warning
Overfilling the fuel tank by more
than three clicks of a standard fill
nozzle may cause:(Continued)
Warning (Continued)
.Vehicle performance issues,
including engine stalling and
damage to the fuel system.
. Fuel spills.
. Potential fuel fires.
Be careful not to spill fuel. Wait a
few seconds after you have finished
pumping before removing the
nozzle. Clean fuel from painted
surfaces as soon as possible. See
Exterior Care 0365.
{Warning
If a fire starts while you are
refueling, do not remove the
nozzle. Shut off the flow of fuel by
shutting off the pump or by
notifying the station attendant.
Leave the area immediately. Filling the Tank with a Portable
Gas Can
If the vehicle runs out of fuel and
must be filled from a portable
gas can:
1. Locate the capless funnel
adapter from inside the vehicle.
2. Insert and latch the funnel into the capless fuel system.
{Warning
Attempting to refuel without using
the funnel adapter may cause fuel
spillage and damage the capless
fuel system. This could cause a
fire and you or others could be
badly burned and the vehicle
could be damaged.

GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-11349262) - 2018 - CRC - 11/3/17
OnStar 407
Press=to:
. Open the OnStar app on the
infotainment display. See the
infotainment manual for
information on how to use the
OnStar app.
Or
. Make a call, end a call,
or answer an incoming call.
. Give OnStar Hands-Free Calling
voice commands.
. Give OnStar Turn-by-Turn
Navigation voice commands.
. Obtain and customize the Wi-Fi
hotspot name or SSID and
password, if equipped. PressQto connect to an
Advisor to:
. Verify account information or
update contact information.
. Get driving directions.
. Receive a Diagnostic check of
the vehicle's key operating
systems.
. Receive Roadside Assistance.
. Manage Wi-Fi Settings,
if equipped.
Press
>to get a priority connection
to an OnStar Advisor available
24/7 to:
. Get help for an emergency.
. Be a Good Samaritan or
respond to an AMBER Alert.
. Get assistance in severe
weather or other crisis situations
and find evacuation routes.
OnStar Services
Emergency
Emergency Services require an
active, OnStar service plan
(excludes Basic Plan). With
Automatic Crash Response, built-in
sensors can automatically alert a
specially trained OnStar Advisor
who is immediately connected in to
the vehicle to help.
Press
>for a priority connection to
an OnStar Advisor who can contact
emergency service providers, direct
them to your exact location, and
relay important information.
With OnStar Crisis Assist, specially
trained Advisors are available
24 hours a day, 7 days a week, to
provide a central point of contact,
assistance, and information during a
crisis.
With Roadside Assistance, Advisors
can locate a nearby service provider
to help with a flat tire, a battery
jump, or an empty gas tank.

GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-11349262) - 2018 - CRC - 11/3/17
422 Index
Fog Lamps (cont'd)Bulb Replacement . . . . . . . . . . . . .311
Folding Mirrors . . . . . . . . . . . . . . . . . . 55
Forward Automatic Braking . . . . . 253
Forward Collision Alert (FCA) System . . . . . . . . . . . . . . . . . 250
Four-Wheel Drive . . . . . . . . . . 226, 303
Four-Wheel-Drive Light . . . . . . . . . 149
Frequency Statement Radio . . . . . . . . . . . . . . . . . . . . . . . . . 402
Front Axle . . . . . . . . . . . . . . . . . . . . . . 304
Front Fog Lamp Light . . . . . . . . . . . . . . . . . . . . . . . . . . 153
Front Seats
Heated and Ventilated . . . . . . . . . . 69
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . . 259 Additives . . . . . . . . . . . . . . . . . . . . . 260
Economy Driving . . . . . . . . . . . . . . . 27
Filling a Portable FuelContainer . . . . . . . . . . . . . . . . . . . 263
Filling the Tank . . . . . . . . . . . . . . . 261
Foreign Countries . . . . . . . . . . . . 260
Gauge . . . . . . . . . . . . . . . . . . . . . . . . 140
Low Fuel Warning Light . . . . . . . 152
Management, Active . . . . . . . . . . 218
Requirements, California . . . . . 260
Full-Size Spare Tire . . . . . . . . . . . . 355 Fuses
Engine Compartment Fuse
Block . . . . . . . . . . . . . . . . . . . . . . . . 314
Fuses and Circuit Breakers . . . 313
Instrument Panel Fuse Block . . . . . . . . . . . . . . . . . . . 318, 321
Rear Compartment Fuse
Block . . . . . . . . . . . . . . . . . . . . . . . . 323
G
Garage Door Opener . . . . . . . . . . . 170Programming . . . . . . . . . . . . . . . . . 170
Gas Strut(s) . . . . . . . . . . . . . . . . . . . . 309
Gauges Engine CoolantTemperature . . . . . . . . . . . . . . . . 141
Engine Oil Pressure . . . . . . . . . . 140
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . 140
Odometer . . . . . . . . . . . . . . . . . . . . . 139
Speedometer . . . . . . . . . . . . . . . . . 139
Tachometer . . . . . . . . . . . . . . . . . . . 139
Transmission Temperature . . . . 142
Trip Odometer . . . . . . . . . . . . . . . . 139
Voltmeter . . . . . . . . . . . . . . . . . . . . . 143
Warning Lights and Indicators . . . . . . . . . . . . . . . . . . . 135
General Information Service and Maintenance . . . . . 374 General Information (cont'd)
Towing . . . . . . . . . . . . . . . . . . . . . . . . 263
Vehicle Care . . . . . . . . . . . . . . . . . . 281
Glass Replacement . . . . . . . . . . . . . 309
Glove Box . . . . . . . . . . . . . . . . . . . . . . 121
GM Mobility Reimbursement
Program . . . . . . . . . . . . . . . . . . . . . . . 396
H
Hazard Warning Flashers . . . . . . . 178
Head Restraints . . . . . . . . . . . . . . . . . 63
Head-up Display . . . . . . . . . . . . . . . . 157
HeadlampsAiming . . . . . . . . . . . . . . . . . . . . . . . . 310
Automatic . . . . . . . . . . . . . . . . . . . . . 177
Bulb Replacement . . . . . . . . . . . . .311
Daytime Running
Lamps (DRL) . . . . . . . . . . . . . . . . 177
Flash-to-Pass . . . . . . . . . . . . . . . . . 176
High Intensity Discharge
(HID) Lighting . . . . . . . . . . . . . . . .311
High-Beam On Light . . . . . . . . . . 153
High/Low Beam Changer . . . . . 176
Lamps On Reminder . . . . . . . . . 153
Heated Rear Seats . . . . . . . . . . . . . . . . . . . . . 71
Steering Wheel . . . . . . . . . . . . . . . 126