1999 GMC YUKON door lock

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For example,
these symbols
are used on an
original battery:
CAUTION
POSSIBLE
INJURY
PROTECT
EYES BY
SHIELDING
CAUSTIC
BATTERY
ACID COULD
CAUSE
BURNS
AVOID
SPARKS OR
FLAMES
SPARK OR
FLAME
COULD
EXPLODE
BATTERY
These symbols
are important
for you and
your passengers
whenever your
vehicle is
driven:
DOOR LOCK
UNLOCK
FASTEN
SEAT
BELTS
POWER
WINDOW
AIR BAG
These symbols
have to do with
your lamps:
MASTER
LIGHTING
SWITCH
TURN
SIGNALS
PARKING
LAMPS
HAZARD
WARNING
FLASHER
DAYTIME
RUNNING
LAMPS
FOG LAMPS
These symbols
are on some of
your controls:
WINDSHIELD
WIPER
WINDSHIELD
WASHER
WINDSHIELD
DEFROSTER
REAR
WINDOW
DEFOGGER
VENTILATING
FAN
These symbols
are used on
warning and
indicator lights:
ENGINE
COOLANT
TEMP
BATTERY
CHARGING
SYSTEM
BRAKE
COOLANT
ENGINE OIL
PRESSURE
ANTI-LOCK
BRAKES
Here are some
other symbols
you may see:
FUSE
LIGHTER
HORN
SPEAKER
FUEL
Vehicle Symbols
These are some of the symbols you may find on your vehicle.

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Q:If I'm a good driver, and I never drive far from
home, why should I wear safety belts?
A:You may be an excellent driver, but if you're in an
accident
-- even one that isn't your fault -- you and
your passengers can be hurt. Being a good driver
doesn't protect you from things beyond your
control, such as bad drivers.
Most accidents occur within 25 miles (40 km) of
home. And the greatest number of serious injuries
and deaths occur at speeds of less than 40 mph
(65 km/h).
Safety belts are for everyone.
How to Wear Safety Belts Properly
Adults
This part is only for people of adult size.
Be aware that there are special things to know about safety
belts and children. And there are different rules for smaller
children and babies. If a child will be riding in your
vehicle, see the part of this manual called ªChildren.º
Follow those rules for everyone's protection.
First, you'll want to know which restraint systems your
vehicle has.
We'll start with the driver position.
Driver Position
This part describes the driver's restraint system.
Lap-Shoulder Belt
The driver has a lap-shoulder belt. Here's how to wear
it properly.
1. Close and lock the door.
2. Adjust the seat (to see how, see ªSeatsº in the Index)
so you can sit up straight.

2-
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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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Your vehicle has one
double
-sided key for the
ignition and all door locks.
If you ever lose your key, your dealer will be able to
assist you with obtaining a new one.
Your vehicle also has a key
that locks and unlocks the
center floor console only.
Door Locks
CAUTION:
Unlocked doors can be dangerous.
Passengers -- especially children -- can easily
open the doors and fall out. When a door is
locked, the inside handle won't open it.
Outsiders can easily enter through an unlocked
door when you slow down or stop your vehicle.
This may not be so obvious: You increase the
chance of being thrown out of the vehicle in a
crash if the doors aren't locked. Wear safety belts
properly, lock your doors, and you will be far
better off whenever you drive your vehicle.
Side Doors
To open the door from the outside, pull the handle up
and pull the door open.
To open the door from the inside, pull the lever toward
you and push the door open.

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2-4 Front Door Locks
There are several ways to lock and unlock your vehicle.
You can use the keyless entry system.
You can also use your key, but your vehicle has a
theft
-deterrent system. If it is armed, unlocking and
opening the door this way might set off the alarm. See
ªTheft
-Deterrent Systemº in the Index.
From the inside, to lock the
door, slide the lever down.
To unlock the door, slide the
lever up.
Power Door Locks
Press the side of the power
door lock switch marked
LOCK on either front door
to lock all the doors at once.
Press the ribbed side of the switch to unlock all the
doors at once. The power door locks will operate at any
time without the ignition being on.
The manual switch on each rear door works only
that door's lock. It won't lock (or unlock) all of the
doors
-- that's a safety feature.
Operating the power locks may affect the theft
-deterrent
system. See ªTheft
-Deterrent Systemº in the Index.

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On the passenger side of the
rear panel door or tailgate,
there is a power lock switch
which can be used to lock or
unlock all of the doors.
On vehicles with panel doors, if the power lock switch is
pressed with the panel doors open, all of the doors will
lock three seconds after the panel doors are closed. If the
panel doors are closed, the vehicle doors will lock when
a power door lock switch is pressed. The theft
-deterrent
system will not re
-arm after the panel doors are closed
unless the power lock switch is pressed first.
Child Security Locks
With this feature, you can
lock the rear side doors so
they can't be opened from
the inside by passengers.
Move the button up to engage the security feature.
Move the button down to return the door locks to
normal operation.
See ªFeature Customizationº in the Index for further
information on turning this feature on and off.

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2-6 Lockout Prevention
To protect you from locking your key in the vehicle, this
feature stops the power door locks from locking when
the keys are in the ignition and a door is open.
If the power lock switch is pressed when a door is
open and the key is in the ignition, none of the doors
will lock.
Leaving Your Vehicle
If you are leaving the vehicle, take your keys, open your
door and set the locks from inside. Then get out and
close the door. For information on how to set the door
locks, see ªTheft
-Deterrent Systemº and ªFeature
Customizationº in the Index.
Keyless Entry System
You can lock and unlock your doors, tailgate or panel
doors from about 3 feet (1 m) up to 30 feet (9 m) away
using the remote keyless entry transmitter supplied with
your vehicle.
Your keyless entry system operates on a radio frequency
subject to Federal Communications Commission (FCC)
Rules and with Industry Canada.
This device complies with Part 15 of the FCC Rules.
Operation is subject to the following two conditions:
(1) this device may not cause harmful interference,
and (2) this device must accept any interference
received, including interference that may cause
undesired operation.

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This device complies with RSS-210 of Industry Canada.
Operation is subject to the following two conditions:
(1) this device may not cause interference, and (2) this
device must accept any interference received, including
interference that may cause undesired operation of
the device.
Changes or modifications to this system by other than an
authorized service facility could void authorization to
use this equipment.
This system has a range of about 3 feet (1 m) up to 30 feet
(9 m). At times you may notice a decrease in range. This
is normal for any remote keyless entry system. If the
transmitter does not work or if you have to stand closer to
your vehicle for the transmitter to work, try this:

Check to determine if battery replacement or
transmitter resynchronization is necessary. See the
instructions that follow.

Check the distance. You may be too far from your
vehicle. You may need to stand closer during rainy
or snowy weather.

Check the location. Other vehicles or objects may be
blocking the signal. Take a few steps to the left or
right, hold the transmitter higher, and try again.
If you're still having trouble, see your dealer or a
qualified technician for service.
Operation
The driver's door will unlock automatically when
UNLOCK is pressed. If UNLOCK is pressed again
within five seconds, the passenger's doors will also
unlock. All doors will lock when LOCK is pressed.
The tailgate or panel doors will unlock when the
REAR 2X button is pressed twice within five seconds,
as long as the ignition is turned to OFF. If the ignition is
on, the REAR 2X button will only work if the
transmission is in PARK (P).
The system will turn on the interior lamps for about
40 seconds (or until the ignition is turned to RUN),
when you unlock the doors, tailgate or panel doors. The
interior lamps will go off when you lock the doors.
Operating the keyless entry transmitter may interact
with the theft
-deterrent system. See ªTheft-Deterrent
Systemº in the Index.