1999 GMC YUKON CD changer

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3-16
RECALL: Press this button to see what track is
currently playing. Press RECALL again within five
seconds to see how long the track has been playing.
When a new track starts to play, the track number will
also appear. Press RECALL a third time and the time of
day will be displayed.
TAPE AUX: With a disc loaded in the player and the
radio playing, press this button twice to play the remote
compact disc. To return to playing the radio, press
AM
-FM. If the cassette tape player, remote CD player
and console
-mounted CD changer are all loaded, press
TAPE AUX to switch between the tape, remote CD and
CD changer.
EJECT: Press this button on the remote player to eject a
compact disc.
Console-Mounted CD Changer
With the compact disc changer, you can play up to six
discs continuously. Normal size discs may be played
using the slots supplied in the magazine.

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3-17
You must first load the magazine with discs before you
can play a compact disc. Load the CDs from bottom to
top, placing the discs in the magazine label side up. If
you load a disc label side down, the disc will not play
and an error will occur. Repeat this procedure for
loading up to six discs in the magazine.
Once you have loaded the discs in the magazine, slide
open the door of the compact disc (CD) changer. Push
the magazine into the changer in the direction of the
arrow marked on the magazine.Close the door by sliding it all the way forward. When
the CD magazine is loaded, the changer will begin
checking for discs in the magazine. This will continue
for up to one and a half minutes, depending on the
number of discs loaded.
To eject the magazine from the player, slide the CD
changer door all the way open, then press EJECT.
Remember to keep the door closed whenever possible to
keep dirt and dust from getting inside the changer.
Whenever a CD magazine with discs is loaded in the
changer, the CD changer symbol will appear on the
radio display. If the CD changer is checking the
magazine for CDs, the CD symbol will flash on the
display until the changer is ready to play. When a CD
begins playing, a disc and track number will be
displayed. The disc numbers are listed on the front of
the magazine.
All of the CD changer functions are controlled by the
radio buttons, except for ejecting the CD magazine.

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3-18
PREV (1): Press this button or the SEEK left arrow to
go to the previous track if the current selection has been
playing for less than eight seconds. If the PREV button
is pressed and the current selection has been playing for
more than eight seconds, it will go to the beginning of
the current selection. If you hold or press this button
more than once, the player will continue moving back
through the disc. The sound will mute while seeking.
PROG (2): Press this button to select a disc. The disc
number and track number will be displayed.
NEXT (3): Press this button or the SEEK right arrow to
go to the next track. If you hold the button or press it
more than once, the player will continue moving
forward through the disc. The sound will mute
while seeking.
REV (4): Press and hold this button to reverse quickly
through a track selection. Release it to resume playing.FWD (6): Press and hold this button to advance quickly
through a track selection. Release it to resume playing.
SEEK: Press the right arrow to seek to the next
selection on the CD. Press the left arrow to search for
the previous selection on the CD. The sound will mute
while seeking.
P.SCAN: Press this button to hear the tracks in random,
rather than sequential, order. RANDOM will appear on
the display. Press P.SCAN again to turn off random play.
TAPE AUX: Press this button three times if you have a
disc loaded in the changer and the radio is turned on, to
play a compact disc. Press AM
-FM to return to the radio
when a compact disc is playing. Press TAPE AUX to
switch between the tape, remote CD (if equipped) and
console
-mounted CD changer if all are loaded.

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3-19
Compact Disc Changer Errors
If ERR appears on the display, it could be that:

You are driving on a very rough road. (The disc
should play when the road gets smoother.)

A disc is upside down.

It is dirty, scratched or wet.

It is very humid. (If so, wait about an hour and
try again.)

The disc player is very hot.

The CD changer door is open. Completely close the
changer door to restore normal operation.

An empty magazine is inserted in the CD changer.
Try the magazine again with a disc loaded on one of
the trays.
Press RECALL to make ERR go off the display.
If any error occurs repeatedly or if an error cannot be
corrected, please contact your dealer.Theft-Deterrent Feature
THEFTLOCK is designed to discourage theft of your
radio. It works by using a secret code to disable all radio
functions whenever battery power is removed.
The THEFTLOCK feature for the radio may be used or
ignored. If ignored, the system plays normally and the
radio is not protected by the feature. If THEFTLOCK is
activated, your radio will not operate if stolen.
When THEFTLOCK is activated, the radio will display
LOC to indicate a locked condition anytime battery
power has been interrupted. If your battery loses power
for any reason, you must unlock the radio with the secret
code before it will operate.
Activating the Theft
-Deterrent Feature
The instructions which follow explain how to enter your
secret code to activate the THEFTLOCK system. It is
recommended that you read through all nine steps
before starting the procedure.
NOTE: If you allow more than 15 seconds to elapse
between any steps, the radio automatically reverts to
time and you must start the procedure over at Step 4.

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9-2
Brake (Continued)
Replacing System Parts 6-32 . . . . . . . . . . . . . . . . . . . . . . . .
System Warning Light 2-74 . . . . . . . . . . . . . . . . . . . . . . . . .
Trailer 4-49 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Transmission Shift Interlock Check 7-37 . . . . . . . . . . . . . . .
Wear 6-31 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Brakes, Anti-Lock 4-7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Braking 4-6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Braking in Emergencies 4-9 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Break-In, New Vehicle 2-20 . . . . . . . . . . . . . . . . . . . . . . . . . .
Brightness Control 2-49 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
BTSI Check 7-37 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Bulb Replacement 6-34, 6-61 . . . . . . . . . . . . . . . . . . . . . . . . .
Canadian Roadside Assistance 8-7 . . . . . . . . . . . . . . . . . . . .
Capacities and Specifications 6-63 . . . . . . . . . . . . . . . . . . . . . .
Carbon Monoxide 2-11, 2-36, 2-37, 4-41, 4-48, 4-49 . . . . .
Cargo Security Shade 2-58 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cargo Tie Downs 2-59 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cassette Deck Service 7-35 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cassette Tape Player 3-8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cassette Tape Player Care 3-22 . . . . . . . . . . . . . . . . . . . . . . . .
Cassette Tape Player Errors 3-11 . . . . . . . . . . . . . . . . . . . . . . .
CD Changer 3-16 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cellular Telephone 2-67 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Center High-Mounted Stoplamp Bulb Replacement 6-37 . . . .
Center Passenger Position 1-36 . . . . . . . . . . . . . . . . . . . . . . . .
Certification/Tire Label 4-43 . . . . . . . . . . . . . . . . . . . . . . . . . .
Chains, Safety 4-48 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Chains, Tire 6-46 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Changing a Flat Tire 5-19 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Charging System Warning Light 2-73 . . . . . . . . . . . . . . . . . . .
Check Gages Light 2-81 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Checking Your Restraint Systems 1
-57 . . . . . . . . . . . . . . . . . .
Chemical Paint Spotting 6-53 . . . . . . . . . . . . . . . . . . . . . . . . . .
Child Restraints 1-41 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Securing in a Rear Outside Seat Position 1-48 . . . . . . . . . . .
Securing in the Center Rear Seat Position 1-50 . . . . . . . . . .
Securing in the Right Front Seat Position 1-52 . . . . . . . . . .
Top Strap 1-46 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Where to Put 1-45 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cigarette Lighter 2-61 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Circuit Breakers and Fuses 6-57 . . . . . . . . . . . . . . . . . . . . . . .
Cleaner, Air 6-15, 6-64 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cleaning
Aluminum Wheels 6
-52 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Exterior Lamps/Lenses 6-51 . . . . . . . . . . . . . . . . . . . . . . . .
Fabric 6-47 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Glass 6-50 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Inside of Your Vehicle 6-47 . . . . . . . . . . . . . . . . . . . . . . . . .
Instrument Panel 6-49 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Interior Plastic Components 6-49 . . . . . . . . . . . . . . . . . . . . .
Leather 6-49 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Outside of Your Vehicle 6-51 . . . . . . . . . . . . . . . . . . . . . . . .
Speaker Covers 6-49 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Special Problems 6-48 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Stains 6-48 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Tires 6-52 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Vinyl 6-49 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Wheels 6-52 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Windshield and Wiper Blades 6-50 . . . . . . . . . . . . . . . . . . .
Wood Panels 6-49 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Climate Control System 3-2 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Clock, Setting the 3-7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Comfort Controls 3-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Comfort Guides, Rear Safety Belts 1-34 . . . . . . . . . . . . . . . . .

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9-3
Compact Disc Care 3-24 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Compact Disc Player 3-14, 3-16 . . . . . . . . . . . . . . . . . . . . . . .
Compact Disc Player Errors 3-15, 3-19 . . . . . . . . . . . . . . . . . .
Compass, Electronic 2-51 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Compass, Rearview Mirror with 2-51 . . . . . . . . . . . . . . . . . . .
Console Storage 2-55, 2-56 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Console-Mounted CD Changer 3-16 . . . . . . . . . . . . . . . . . . . .
Control of a Vehicle 4-6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Convenience Net 2-58 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Convex Outside Mirror 2-55 . . . . . . . . . . . . . . . . . . . . . . . . . .
Coolant 6-23, 7-41 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Coolant Heater, Engine 2-24 . . . . . . . . . . . . . . . . . . . . . . . . . .
Coolant Recovery Tank 5-12 . . . . . . . . . . . . . . . . . . . . . . . . . .
Cooling System 5-11 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Courtesy Transportation 8-8 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cruise Control 2-43 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cupholders 2-56, 2-57 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Customer Assistance for Text Telephone Users 8-4 . . . . . . . . .
Customer Assistance Information 8-1 . . . . . . . . . . . . . . . . . . .
Customer Satisfaction Procedure 8-2 . . . . . . . . . . . . . . . . . . . .
Damage, Finish 6-53 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Damage, Sheet Metal 6-53 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Daytime Running Lamps 2-47 . . . . . . . . . . . . . . . . . . . . . . . . .
Daytime Running Lamps Indicator Light 2-81 . . . . . . . . . . . .
Dead Battery 5-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Defects, Reporting Safety 8-10 . . . . . . . . . . . . . . . . . . . . . . . .
Defensive Driving 4-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Defogger, Rear Window 3-7 . . . . . . . . . . . . . . . . . . . . . . . . . .
Defogging 3-6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Defrosting 3-6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Dolby Noise Reduction 3-11 . . . . . . . . . . . . . . . . . . . . . . . . . .
Dome Lamps 2-49 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Door
Child Security Locks 2
-5 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Locks 2-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Panel 2-12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Rear 2-11 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Side 2-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage Pocket 2-57 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Driver Position 1-14 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Driving
City 4
-33 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Defensive 4-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Drunken 4-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Freeway 4-34 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
In a Blizzard 4-40 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
In the Rain 4-30 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Night 4-28 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Off-Road 4-14 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
On Curves 4-9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
On Grades While Towing a Trailer 4-51 . . . . . . . . . . . . . . .
On Hill and Mountain Roads 4-36 . . . . . . . . . . . . . . . . . . . .
On Snow and Ice 4-38 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Through Water 4-32 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Wet Roads 4-30 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Winter 4-38 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
With a Trailer 4-49 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Drunken Driving 4-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electric Tailgate Glass Release 2-39 . . . . . . . . . . . . . . . . . . .
Electrical Equipment, Adding 2-23, 3-22, 6-56 . . . . . . . . . . .
Electrical System 6-56 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electrochromic Day/Night Rearview Mirror with
Compass/Temperature Display/Headlamp Delay 2
-51 . . . .
Electrochromic Heated Outside Rearview Mirrors 2-54, 3-7 .

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9-5
Gages
Engine Coolant Temperature 2-76 . . . . . . . . . . . . . . . . . . . .
Engine Oil Pressure 2-79 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fuel 2-82 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Speedometer 2-71 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Tachometer 2-71 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Voltmeter 2-74 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
GAWR 4-44 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Gear Positions, Automatic Transmission 2-25 . . . . . . . . . . . . .
Glove Box 2-55 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
GM Mobility Program for Persons with Disabilities 8-5 . . . . .
GM Vehicle Care/Appearance Materials 6-54 . . . . . . . . . . . . .
Gross Axle Weight Rating 4-44 . . . . . . . . . . . . . . . . . . . . . . . .
Gross Vehicle Weight Rating 4-43 . . . . . . . . . . . . . . . . . . . . . .
Guide en Fran†ais ii. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
GVWR 4
-43 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Halogen Bulbs 6-34 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Hazard Warning Flashers 5-2 . . . . . . . . . . . . . . . . . . . . . . . . . .
Head Restraints 1-5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Headlamp Delay 2-48 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Headlamps 2-46, 6-34 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Bulb Replacement 6-34, 6-61 . . . . . . . . . . . . . . . . . . . . . . .
High/Low Beam Changer 2-41 . . . . . . . . . . . . . . . . . . . . . .
On Reminder 2-47 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Wiring 6-56 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Hearing Impaired, Customer Assistance 8-4 . . . . . . . . . . . . . .
Heated Front Seats 1-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Heated Rear Seats 1-8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Heating 3-2, 3-5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
High-Beam Headlamps 2-41 . . . . . . . . . . . . . . . . . . . . . . . . . .
Highway Hypnosis 4-36 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Hill and Mountain Roads 4-36 . . . . . . . . . . . . . . . . . . . . . . . . .
Hitches, Trailer 4-48 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Hood, Checking Things Under 6
-8 . . . . . . . . . . . . . . . . . . . . .
Hood Release 6-9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Horn 2-39 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Hydroplaning 4-32 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Ignition Positions 2-21 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Ignition Transmission Lock Check 7-38 . . . . . . . . . . . . . . . . .
Inflation, Tire 6-40 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Inside Rearview Mirror 2-51 . . . . . . . . . . . . . . . . . . . . . . . . . .
Inspections 7-39 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Brake System 7-40 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Drive Axle 7-40 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Engine Cooling System 7-39 . . . . . . . . . . . . . . . . . . . . . . . .
Exhaust System 7-39 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Steering 7-39 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Suspension 7-39 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Throttle System 7-39 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Transfer Case (Four-Wheel Drive) 7-40 . . . . . . . . . . . . . . .
Instrument Panel 2-68 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Brightness Control 2-49 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cleaning 6-49 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cluster 2-70 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fuse Block 6-57 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Interior Lamps 2-49 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Jack, Tire 5-20 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Jump Starting 5-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Key Lock Cylinder Service 7-36 . . . . . . . . . . . . . . . . . . . . . .
Keyless Entry System 2-6 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Keys 2-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .