interior lights GMC YUKON 1999 Owner's Manual

2-
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2-1
Section 2 Features and Controls
Here you can learn about the many standard and optional features on your vehicle, and information on starting,
shifting and braking. Also explained are the instrument panel and the warning systems that tell you if everything is
working properly
-- and what to do if you have a problem.
2
-2 Keys
2
-3 Door Locks
2
-6 Keyless Entry System
2
-11 Rear Doors
2
-13 Theft
2
-13 Theft-Deterrent System
2
-16 Feature Customization
2
-20 Passlock

2-20 New Vehicle ªBreak-Inº
2
-21 Ignition Positions
2
-22 Starting Your Engine
2
-24 Engine Coolant Heater (If Equipped)
2
-25 Automatic Transmission Operation
2
-28 Four-Wheel Drive
2
-32 Parking Brake
2
-33 Shifting Into Park (P)
2
-35 Shifting Out of Park (P)
2
-36 Parking Over Things That Burn
2
-36 Engine Exhaust2
-37 Running Your Engine While You're Parked
2
-38 Locking Rear Axle
2
-38 Windows
2
-39 Horn
2
-39 Tilt Wheel
2
-40 Multifunction Lever
2
-46 Exterior Lamps
2
-49 Interior Lamps
2
-51 Mirrors
2
-55 Storage Compartments
2
-61 Ashtrays and Cigarette Lighter
2
-63 Sun Visors
2
-63 Universal Transmitter
2
-67 Cellular Telephone (If Equipped)
2
-67 OnStar
System (If Equipped)
2
-68 Instrument Panel
2
-70 Instrument Panel Cluster
2
-72 Warning Lights, Gages and Indicators

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2-49
The length of time that the headlamps stay on after the
ignition is turned off can be adjusted by pressing and
holding the HEADLAMP DELAY button. The
delay can be varied in five steps (0, 15, 30, 60 and
90 seconds). When the HEADLAMP DELAY button is
held in, the Light Emitting Diode (LED) on the mirror
will show five step changes in brightness. When the
LED is at its brightest the headlamp delay will be
90 seconds, and when it is most dim the delay will be
zero seconds.
Interior Lamps
Instrument Panel Intensity Control
The instrument panel intensity control is located next to
the parking/headlamp switch. Turn the thumbwheel up
to adjust the instrument panel lights. Turn the
thumbwheel up to the first notch to return the radio
display and gear shift indicator LED display to full
intensity when the headlamps or parking lamps are on.
To turn on the dome lamps (with the vehicle doors
closed) turn the thumbwheel up to the second
notch position.
Exit Lighting and Delayed Illumination
With this feature, your interior lamps will come on and
stay on for up to 25 seconds when entering the vehicle
and up to 5 seconds when leaving your vehicle.
When the doors are opened, the dome lamps will only
come on if the dome lamp button is in the out position.
When all doors are closed or the dome lamp button is
pressed in, the lamps will stay on for a short period of
time and will then fade out.
Dome Lamps
The dome lamps will come on when you open the doors.
You can also turn the dome lamps on by turning the
thumbwheel, located next to the parking/headlamps
switch knob, all the way up to the second notch. In this
position, the dome lamps will remain on whether the
doors are opened or closed.

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6-59
Fuse/Circuit
BreakerUsage
15 DRL Relay, Fog Lamp Relay
16 Front and Rear Turn Signals,
Back
-Up Lamps, BTSI Solenoid
17 Radio (Ignition)
18 4WAL/VCM, ABS, Cruise Control
19 Radio (Battery)
20 PRNDL, Automatic Transmission,
Speedometer, Check Gages,
Warning Lights
21 Security/Steering
22 Auxiliary Power, Headlamp Delay
23 Rear Wiper, Rear Washer Pump
24 Front Axle, 4WD Indicator Lamp,
TP2 Relay
A Power Door Lock, Six
-Way Power
Seat, Keyless Entry Module
B Power WindowsUnderhood Fuse/Relay Center
The underhood fuse/relay center is located in the rear of
the engine compartment near the brake fluid reservoir.
Move the retainer clips for the cover to access the
fuse block.
You can remove fuses with a fuse extractor. The fuse
extractor is mounted to the interior fuse block. To
remove fuses if you don't have a fuse extractor, hold the
end of the fuse between your thumb and index finger
and pull straight out.

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9-6
Labels
Certification/Tire 4-43 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Service Parts Identification 6-55 . . . . . . . . . . . . . . . . . . . . .
Tire-Loading Information 4-43 . . . . . . . . . . . . . . . . . . . . . .
Vehicle Identification Number 6-55 . . . . . . . . . . . . . . . . . . .
Lamps 2-46 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Automatic 2-47 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cleaning Exterior 6-51 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Delay 2-48 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Dome 2-49 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Exterior 2-46 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fog 2-48, 6-36, 6-61 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Interior 2-49 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
On Reminder 2-47 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Leaving Your Vehicle 2-6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Leaving Your Vehicle with the Engine Running 2-34 . . . . . . .
Lighter 2-61 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lights
Air Bag Readiness 1
-25, 2-73 . . . . . . . . . . . . . . . . . . . . . . .
Anti-Lock Brake System Warning 2-75, 4-7 . . . . . . . . . . . .
Brake System Warning 2-74 . . . . . . . . . . . . . . . . . . . . . . . . .
Charging Warning System 2-73 . . . . . . . . . . . . . . . . . . . . . .
Check Gages 2-81 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Daytime Running Lamps Indicator 2-81 . . . . . . . . . . . . . . .
Headlamp High-Beam Indicator 2-81 . . . . . . . . . . . . . . . . .
Safety Belt Reminder 1-10, 2-72 . . . . . . . . . . . . . . . . . . . . .
Security 2-80 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Service Engine Soon 2-76 . . . . . . . . . . . . . . . . . . . . . . . . . .
Service Four-Wheel Drive 2-80 . . . . . . . . . . . . . . . . . . . . . .
Turn Signal and Lane Change Indicator 2-81 . . . . . . . . . . .
Loading Your Vehicle 4-43 . . . . . . . . . . . . . . . . . . . . . . . . . . . Loading Your Vehicle for Off
-Road Driving 4-15 . . . . . . . . . .
Lockout Prevention 2-6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Locks 2-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Child Security 2-5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cylinder 7-36 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Door 2-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Ignition Transmission Check 7-38 . . . . . . . . . . . . . . . . . . . .
Key Lock Cylinder Service 7-36 . . . . . . . . . . . . . . . . . . . . .
Power Door 2-4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Window 2-38 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lubricants and Fluids 7-41 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lubrication, Weatherstrips 6-50, 7-36 . . . . . . . . . . . . . . . . . . .
Lubrication Service, Body 7-36 . . . . . . . . . . . . . . . . . . . . . . . .
Luggage Carrier 2-59 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Maintenance, Normal Replacement Parts 6-65 . . . . . . . . . . .
Maintenance Record 7-43 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Maintenance Schedule 7-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Long Trip/Highway Definition 7-6 . . . . . . . . . . . . . . . . . . .
Long Trip/Highway Intervals 7-6 . . . . . . . . . . . . . . . . . . . . .
Owner Checks and Services 7-35 . . . . . . . . . . . . . . . . . . . . .
Periodic Maintenance Inspections 7-39 . . . . . . . . . . . . . . . .
Recommended Fluids and Lubricants 7-41 . . . . . . . . . . . . .
Scheduled Maintenance Services 7-4 . . . . . . . . . . . . . . . . . .
Short Trip/City Definition 7-5 . . . . . . . . . . . . . . . . . . . . . . .
Short Trip/City Intervals 7-5 . . . . . . . . . . . . . . . . . . . . . . . .
Maintenance, Underbody 6-53 . . . . . . . . . . . . . . . . . . . . . . . . .
Maintenance When Trailer Towing 4-53 . . . . . . . . . . . . . . . . .
Malfunction Indicator Lamp 2-76 . . . . . . . . . . . . . . . . . . . . . .
Methanol 6-4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .