2008 GMC YUKON DENALI mirror

Towing a trailer requires a certain amount of experience.
Before setting out for the open road, you’ll want to get
to know your rig. Acquaint yourself with the feel of
handling and braking with the added weight of the trailer.
And always keep in mind that the vehicle you are
driving is now a good deal longer and not nearly as
responsive as your vehicle is by itself.
Before you start, check all trailer hitch parts and
attachments, safety chains, electrical connector, lamps,
tires and mirror adjustment. If the trailer has electric
brakes, start your vehicle and trailer moving and then
apply the trailer brake controller by hand to be sure
the brakes are working. This lets you check your
electrical connection at the same time.
During your trip, check occasionally to be sure that the
load is secure, and that the lamps and any trailer
brakes are still working.Following Distance
Stay at least twice as far behind the vehicle ahead as
you would when driving your vehicle without a trailer.
This can help you avoid situations that require
heavy braking and sudden turns.
Passing
You’ll need more passing distance up ahead when
you’re towing a trailer. And, because you’re a good deal
longer, you’ll need to go much farther beyond the
passed vehicle before you can return to your lane.
Backing Up
Hold the bottom of the steering wheel with one hand.
Then, to move the trailer to the left, just move that hand
to the left. To move the trailer to the right, move your
hand to the right. Always back up slowly and, if possible,
have someone guide you.
4-51

Fuses Usage
47 Power Take-Off
48Auxiliary Climate Control (Ignition),
Compass-Temperature Mirror
49Center High-Mounted Stoplamp
(CHMSL)
50 Rear Defogger
51 Heated Mirrors
52 SEO B1 Uptter Usage (Battery)
53Cigarette Lighter, Auxiliary Power
Outlet
54Automatic Level Control Compressor
Relay, SEO Uptter Usage
55 Climate Controls (Ignition)
56Engine Control Module, Secondary
Fuel Pump (Ignition)
J-Case Fuses Usage
60 Cooling Fan 1
61 Automatic Level Control Compressor
62 Heavy Duty Antilock Brake System
63 Cooling Fan 2
64 Antilock Brake System 1
65 Starter
66 Stud 2 (Trailer Brakes)
67 Left Bussed Electrical Center 1
J-Case Fuses Usage
68 Electric Running Boards
69 Heated Windshield Washer System
70 Not Used
71Stud 1 (Trailer Connector
Battery Power)
72 Mid-Bussed Electrical Center 1
73 Climate Control Blower
74 Power Liftgate Module
75 Left Bussed Electrical Center 2
Relays Usage
FAN HI Cooling Fan High Speed
FAN LO Cooling Fan Low Speed
ENG EXH VLV Not Used
FAN CNTRL Cooling Fan Control
HDLP LO/HID Low-Beam Headlamps
FOG LAMP Front Fog Lamps
A/C CMPRSR Air Conditioning Compressor
STRTR Starter
PWR/TRN Powertrain
FUEL PMP Fuel Pump
PRK LAMP Parking Lamps
REAR DEFOG Rear Defogger
RUN/CRANK Switched Power
5-113

Loading Your Vehicle.......................................4-34
Locking Differential........................................... 4-5
Lockout Protection..........................................2-12
Locks
Delayed Locking..........................................2-11
Door..........................................................2-10
Lockout Protection.......................................2-12
Power Door................................................2-11
Programmable Automatic Door Locks.............2-11
Rear Door Security Locks.............................2-12
Loss of Control...............................................4-12
Low Fuel Warning Light...................................3-48
Luggage Carrier..............................................2-59
Lumbar
Power Controls............................................. 1-3
M
Maintenance Schedule
Additional Required Services........................... 6-6
At Each Fuel Fill........................................... 6-9
At Least Once a Month.................................. 6-9
At Least Once a Year..................................6-10
Introduction.................................................. 6-2
Maintenance Footnotes.................................. 6-7
Maintenance Record....................................6-16Maintenance Schedule (cont.)
Maintenance Replacement Parts....................6-14
Maintenance Requirements............................. 6-2
Owner Checks and Services........................... 6-9
Recommended Fluids and Lubricants.............6-12
Scheduled Maintenance................................. 6-4
Using.......................................................... 6-2
Your Vehicle and the Environment................... 6-2
Malfunction Indicator Light................................3-42
Manual, Using.................................................... iii
Memory Seat, Mirrors, and Pedals...................... 1-4
Message
DIC Warnings and Messages........................3-56
Mirrors
Automatic Dimming Rearview with OnStar
®,
Compass and Temperature Display.............2-40
Outside Power Foldaway Mirrors....................2-42
MP3 .....................................................3-94, 3-99
MyGMLink.com................................................ 7-4
N
Navigation System, Privacy..............................7-17
Navigation/Radio System, see Navigation
Manual.....................................................3-105
New Vehicle Break-In......................................2-25
8

O
Odometer......................................................3-33
Odometer, Trip...............................................3-33
Off-Road Driving.............................................4-13
Off-Road Recovery..........................................4-11
Oil
Engine.......................................................5-13
Pressure Gage............................................3-45
Pressure Light.............................................3-46
Oil, Engine Oil Life System..............................5-16
Older Children, Restraints................................1-49
Online Owner Center........................................ 7-4
OnStar, Privacy..............................................7-17
OnStar
®System, see OnStar®Manual...............2-47
Operation, Universal Home Remote System........2-51
Other Warning Devices...................................... 3-6
Outlet Adjustment............................................3-29
Outlets
Accessory Power.........................................3-21
Outside
Power Foldaway Mirrors...............................2-42
Overheated Engine Protection Operating Mode.....5-28
Owner Checks and Services.............................. 6-9
Owners, Canadian............................................... ii
P
Paint, Damage..............................................5-105
Park Aid........................................................2-44
Park Brake....................................................2-35
Park (P)
Shifting Into................................................2-36
Shifting Out of............................................2-37
Parking
Assist........................................................2-44
Over Things That Burn.................................2-38
Passenger Airbag Status Indicator.....................3-35
Passenger Sensing System..............................1-85
Passing.........................................................4-11
PASS-Key
®III+..............................................2-23
PASS-Key®III+ Operation................................2-24
Perchlorate Materials Requirements, California...... 5-4
Power
Door Locks.................................................2-11
Electrical System.......................................5-108
Liftgate......................................................2-15
Lumbar Controls........................................... 1-3
Reclining Seatbacks...................................... 1-6
Retained Accessory (RAP)............................2-27
Running Boards..........................................2-18
9

Power (cont.)
Seat............................................................ 1-2
Steering Fluid.............................................5-34
Windows....................................................2-20
Privacy..........................................................7-15
Event Data Recorders..................................7-16
Navigation System.......................................7-17
OnStar.......................................................7-17
Radio Frequency Identication.......................7-17
Programmable Automatic Door Locks.................2-11
R
Radio Frequency Identication (RFID), Privacy....7-17
Radios..........................................................3-73
Radio(s)........................................................3-76
Radios
Navigation/Radio System, see Navigation
Manual.................................................3-105
Rear Seat Audio........................................3-115
Reception.................................................3-118
Setting the Clock.........................................3-74
Theft-Deterrent..........................................3-116
Rainsense™ II Wipers.....................................3-10
Rear Air Conditioning and Heating System
and Electronic Climate Controls.....................3-29
Rear Axle......................................................5-46
Rear Door Security Locks................................2-12
Rear Heated Seats........................................... 1-9Rear Seat Audio (RSA)..................................3-115
Rear Seat Entertainment System.....................3-105
Rear Side Window Antenna............................3-119
Rear Storage Area..........................................2-60
Rear Windshield Washer/Wiper.........................3-12
Rearview Mirror, Automatic Dimming with
OnStar
®, Compass and Temperature
Display......................................................2-40
Reclining Seatbacks, Power............................... 1-6
Recommended Fluids and Lubricants.................6-12
Recovery Hooks.............................................4-33
Recreational Vehicle Towing.............................4-40
Remote Keyless Entry (RKE) System.................. 2-4
Remote Keyless Entry (RKE) System, Operation..... 2-5
Remote Vehicle Start........................................ 2-8
Removing the Flat Tire and Installing the
Spare Tire..................................................5-85
Removing the Spare Tire and Tools...................5-79
Replacement Bulbs.........................................5-52
Replacement Parts, Maintenance......................6-14
Reporting Safety Defects
Canadian Government..................................7-14
General Motors...........................................7-14
United States Government............................7-13
Restraint System Check
Checking the Restraint Systems....................1-92
Replacing Restraint System Parts After
a Crash..................................................1-93
10

Retained Accessory Power (RAP)......................2-27
Roadside
Assistance Program....................................... 7-6
Rocking Your Vehicle to Get it Out....................4-32
Routing, Engine Drive Belt...............................6-15
Running Boards, Power...................................2-18
Running the Engine While Parked.....................2-39
S
Safety Belt
Reminder Light............................................3-33
Safety Belts
Care of....................................................5-101
How to Wear Safety Belts Properly................1-33
Lap Belt.....................................................1-47
Lap-Shoulder Belt........................................1-41
Safety Belt Extender....................................1-48
Safety Belt Use During Pregnancy.................1-47
Safety Belts Are for Everyone.......................1-28
Safety Warnings and Symbols.............................. iii
Scheduled Maintenance..................................... 6-4
Seats
60/40 Split Bench Seat.................................. 1-9
Bucket Seats, Rear......................................1-16
Head Restraints............................................ 1-8
Heated Seats............................................... 1-4
Heated Seats - Rear..................................... 1-9
Memory, Mirrors and Pedals........................... 1-4Seats (cont.)
Power Lumbar.............................................. 1-3
Power Reclining Seatbacks............................. 1-6
Power Seats................................................. 1-2
Third Row Seat...........................................1-23
Secondary Latch System.................................5-90
Securing a Child Restraint
Center Front Seat Position............................1-71
Rear Seat Position......................................1-68
Right Front Seat Position..............................1-71
Security Light.................................................3-46
Service........................................................... 5-3
Accessories and Modications......................... 5-3
Adding Equipment to the Outside of Your
Vehicle..................................................... 5-4
California Pershlorate Materials Requirements . . . 5-4
California Proposition 65 Warning.................... 5-3
Doing Your Own Work................................... 5-4
Engine Soon Light.......................................3-42
Publications Ordering Information...................7-14
Service, Scheduling Appointments....................... 7-8
Servicing Your Airbag-Equipped Vehicle..............1-90
Sheet Metal Damage.....................................5-105
Shifting Into Park (P).......................................2-36
Shifting Out of Park (P)...................................2-37
Signals, Turn and Lane-Change.......................... 3-8
Spare Tire.....................................................5-98
Installing....................................................5-85
Removing...................................................5-79
11