Page 342 of 459
Black plate (39,1)GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-8431503) - 2015 - crc - 8/11/14
Vehicle Care 10-39
Number Usage2 Not Used
3 Not Used
4 Accessory Power Outlet 1
5 Retained Accessory Power/Accessory
6 APO/BATT
7 Universal Garage Door Opener/Inside
Rear View Mirror
8 SEO Retained Accessory Power
9 Not Used
10 Body Control Module 3
11 Body Control Module 5
12 Steering Wheel Controls Backlighting
13 Not Used
14 Not Used Number Usage
15 Not Used
16 Discrete Logic Ignition Sensor
17 VPM
18 Mirror Window Module
19 Body Control Module 1
20 Front Bolster (if equipped)
21 Not Used
22 Not Used
23 Not Used
24 Heater, Ventilation and Air Conditioning
Ignition/Heater,
Ventilation and Air
Conditioning Auxiliary
25 Instrument Cluster Ignition/Sensing
Diagnostic Module
Ignition Number Usage
26 Tilt Column/SEO, Tilt Column Lock 1/SEO
27 Data Link Connector/ Driver Seat Module
28 Passive Entry/Passive Start/Heater,
Ventilation and Air
Conditioning Battery
29 Content Theft
30 Not Used
31 Not Used
32 Not Used
33 SEO/Automatic Level Control
34 Park Enable Electric Adjustable Pedal (if
equipped)
35 Not Used
36 Miscellaneous R/C
37 Heated Steering Wheel
Page 449 of 459
Black plate (4,1)GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-8431503) - 2015 - crc - 8/11/14
i-4 INDEX
Dual Automatic ClimateControl System . . . . . . . . . . . . . . . . 8-1
E
E85 or FlexFuel . . . . . . . . . . . . . . . 9-71
Electrical Equipment,
Add-On . . . . . . . . . . . . . . . . . . . . . . 9-89
Electrical System Engine Compartment
Fuse Block . . . . . . . . . . . . . . . . 10-34
Fuses . . . . . . . . . . . . . . . . . . . . . . 10-33
Instrument Panel Fuse Block . . . . . . . . . 10-38, 10-40
Overload . . . . . . . . . . . . . . . . . . . 10-33
Rear Compartment Fuse Block . . . . . . . . . . . . . . . . . . . . . . 10-43
Emergency OnStar
®. . . . . . . . . . . . . . . . . . . . . . 14-2
Engine Air Cleaner/Filter . . . . . . . . . . . 10-13
Check and Service EngineSoon Light . . . . . . . . . . . . . . . . . . 5-20
Compartment Overview . . . . . . . 10-5
Coolant . . . . . . . . . . . . . . . . . . . . . 10-15
Coolant Temperature
Gauge . . . . . . . . . . . . . . . . . . . . . . 5-16 Engine (cont'd)
Cooling System . . . . . . . . . . . . . 10-14
Cooling System Messages . . . 5-33
Drive Belt Routing . . . . . . . . . . . . 12-3
Exhaust . . . . . . . . . . . . . . . . . . . . . . 9-30
Fan . . . . . . . . . . . . . . . . . . . . . . . . . 10-19
Heater . . . . . . . . . . . . . . . . . . . . . . . . 9-26
Oil Life System . . . . . . . . . . . . . . . 10-9
Oil Messages . . . . . . . . . . . . . . . . . 5-34
Oil Pressure Gauge . . . . . . . . . . 5-15
Overheating . . . . . . . . . . . . . . . . 10-18
Power Messages . . . . . . . . . . . . . 5-35
Running While Parked . . . . . . . . 9-31
Starting . . . . . . . . . . . . . . . . . . . . . . . 9-24
Entry Lighting . . . . . . . . . . . . . . . . . . . 6-7
Equipment, Towing . . . . . . . . . . . . 9-82
Event Data Recorders . . . . . . . . 13-14
Exit Lighting . . . . . . . . . . . . . . . . . . . . 6-7
Extender, Safety Belt . . . . . . . . . . 3-27
Exterior Lamp Controls . . . . . . . . . 6-1
Exterior Lamps Off Reminder . . . 6-2
F
Fan Engine . . . . . . . . . . . . . . . . . . . . . . 10-19
Features Memory . . . . . . . . . . . . . . . . . . . . . . . . 1-8
Filter, Engine Air Cleaner . . . . . . . . . 10-13
Flash-to-Pass . . . . . . . . . . . . . . . . . . . 6-2
Flashers, Hazard Warning . . . . . . 6-4
Flat Tire . . . . . . . . . . . . . . . . . . . . . . 10-66 Changing . . . . . . . . . . . . . . . . . . . 10-67
FlexFuel E85 . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-71
Floor Mats . . . . . . . . . . . . . . . . . . . . 10-94
Fluid Automatic Transmission . . . . 10-10
Brakes . . . . . . . . . . . . . . . . . . . . . . 10-21
Four-Wheel Drive
Transfer Case . . . . . . . . . . . . . . . 9-37
Washer . . . . . . . . . . . . . . . . . . . . . 10-20
Fog Lamps . . . . . . . . . . . . . . . . . . . . . 6-5
Folding Mirrors . . . . . . . . . . . . . . . . 2-29
Forward Collision Alert (FCA) System . . . . . . . . . . . . . . . . 9-61
Four-Wheel Drive . . . . . . . 9-37, 10-24
Page 451 of 459
Black plate (6,1)GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-8431503) - 2015 - crc - 8/11/14
i-6 INDEX
HeatedRear Seats . . . . . . . . . . . . . . . . . . . . 3-9
Steering Wheel . . . . . . . . . . . . . . . . 5-3
Heated and Cooled Front Seats . . . . . . . . . . . . . . . . . . . . . . . . . 3-7
Heated Mirrors . . . . . . . . . . . . . . . . . 2-30
Heater Engine . . . . . . . . . . . . . . . . . . . . . . . . 9-26
High-Beam On Light . . . . . . . . . . . 5-26
High-Speed Operation . . . . . . . . 10-53
Hill and Mountain Roads . . . . . . . 9-11
Hill Start Assist (HSA) . . . . . . . . . 9-43
Hood . . . . . . . . . . . . . . . . . . . . . . . . . . 10-4
Horn . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3
How to Wear Safety Belts Properly . . . . . . . . . . . . . . . . . . . . . . 3-20
I
Ignition Positions . . . . . . . . 9-20, 9-22
Ignition Transmission Lock
Check . . . . . . . . . . . . . . . . . . . . . . . 10-27
Immobilizer . . . . . . . . . . . . . . . . . . . . 2-26
Indicator Vehicle Ahead . . . . . . . . . . . . . . . . 5-24
Infants and Young Children, Restraints . . . . . . . . . . . . . . . . . . . . 3-44 Infotainment . . . . . . . . . . . . . . . . . . . . 7-1
Infotainment System . . . . . . . . . . 13-15
Instrument Cluster . . . . . . . . . . . . . 5-11
Instrument Panel
Storage Area . . . . . . . . . . . . . . . . . . 4-1
Interior Rearview Mirrors . . . . . . . 2-31
Introduction . . . . . . . . . . . . . . . . . . . . . . . iii
J
Jump Starting . . . . . . . . . . . . . . . . . 10-78
K
Key and Lock Messages . . . . . . . 5-35
Keyless Entry Remote (RKE) System . . . 2-5, 2-8
Keys . . . . . . . . . . . . . . . . . . . . . . . . 2-2, 2-4
L
Labeling, Tire Sidewall . . . . . . . . 10-46
Lamps
Daytime Running (DRL) . . . . . . . 6-3
Dome . . . . . . . . . . . . . . . . . . . . . . . . . . 6-6
Exterior Controls . . . . . . . . . . . . . . . 6-1
Exterior Lamps OffReminder . . . . . . . . . . . . . . . . . . . . 6-2 Lamps (cont'd)
Fog . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-5
Front Turn Signal . . . . . . . . . . . 10-30
License Plate . . . . . . . . . . . . . . . 10-32
Malfunction Indicator . . . . . . . . . 5-20
Messages . . . . . . . . . . . . . . . . . . . . 5-36
On Reminder . . . . . . . . . . . . . . . . . 5-27
Reading . . . . . . . . . . . . . . . . . . . . . . . 6-6
Lane Change Alert . . . . . . . . . . . . 9-66
Lane Departure
Warning (LDW) . . . . . . . . . . . . . . . 9-68
Lane Departure Warning Light . . . . . . . . . . . . . . . . . . . . . . . . . 5-24
Lap Belt . . . . . . . . . . . . . . . . . . . . . . . 3-26
Lap-Shoulder Belt . . . . . . . . . . . . . 3-21
LATCH System
Replacing Parts after aCrash . . . . . . . . . . . . . . . . . . . . . . . 3-59
LATCH, Lower Anchors and Tethers for Children . . . . . . . . . . 3-50
LED Lighting . . . . . . . . . . . . . . . . . . 10-30
Level Control Automatic . . . . . . . . . . . . . . . . . . . . . 9-47
Liftgate . . . . . . . . . . . . . . . . . . . . . . . . 2-19