1999 CHEVROLET S10 door lock

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6-6
CAUTION:
Gasoline vapor is highly flammable. It burns
violently, and that can cause very bad injuries.
Don't smoke if you're near gasoline or refueling
your vehicle. Keep sparks, flames and smoking
materials away from gasoline.
While refueling, hang the cap by the tether from the
hook on the filler door.To remove the cap, turn it slowly to the left
(counterclockwise). The cap has a spring in it; if you let
go of the cap too soon, it will spring back to the right.
CAUTION:
If you get gasoline on yourself and then
something ignites it, you could be badly burned.
Gasoline can spray out on you if you open the
fuel filler cap too quickly. This spray can happen
if your tank is nearly full, and is more likely in
hot weather. Open the fuel filler cap slowly and
wait for any ªhissº noise to stop. Then unscrew
the cap all the way.
Be careful not to spill gasoline. Clean gasoline from
painted surfaces as soon as possible. See ªCleaning the
Outside of Your Vehicleº in the Index.

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6-15
If none of them is true, use the long trip/highway
maintenance schedule. Change the oil and filter every
7,500 miles (12 500 km) or 12 months
-- whichever
occurs first. Driving a vehicle with a fully warmed
engine under highway conditions causes engine oil to
break down slower.
Remote Oil Filter (Four
-Wheel Drive)
The access door for the
remote oil filter is in the
steering linkage shield
assembly located under
the radiator support.
Twist the screw to unlock
or lock the door. Make
sure if you open the door,
it is securely closed
when you are finished.
What to Do with Used Oil
Did you know that used engine oil contains certain
elements that may be unhealthy for your skin and could
even cause cancer? Don't let used oil stay on your skin
for very long. Clean your skin and nails with soap and
water, or a good hand cleaner. Wash or properly throw
away clothing or rags containing used engine oil. (See
the manufacturer's warnings about the use and disposal
of oil products.)
Used oil can be a real threat to the environment. If you
change your own oil, be sure to drain all free
-flowing oil
from the filter before disposal. Don't ever dispose of oil
by putting it in the trash, pouring it on the ground, into
sewers, or into streams or bodies of water. Instead,
recycle it by taking it to a place that collects used oil. If
you have a problem properly disposing of your used oil,
ask your dealer, a service station or a local recycling
center for help.

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6-66
Name Usage
B/U LP Back
-Up Lamps
A/C Air Conditioning
W/W PMP Not Used
HORN Horn
IGN B Column Feed, IGN 2, 3, 4
RAP Retained Accessory Power
LD LEV Not Used
OXYSEN Oxygen Sensor
IGN E Engine
MIR/LKS Mirrors, Door Locks
FOG LP Fog Lamps
IGN A Starting and Charging IGN 1
STUD #2 Accessory Feeds, Electric Brake
PARKLP Parking Lamps
LR PRK Left Rear Parking LampsName Usage
IGN C Starter Solenoid, Fuel Pump,
PRNDL
HTDSEAT Not Used
HVAC HVAC System
TRCHMSL Not Used
RRDFOG Not Used
TBC Truck Body Computer
CRANK Clutch Switch, NSBU Switch
HAZLP Hazard Lamps
VECHMSL Vehicle Center High
-Mounted
Stoplamp
HTDMIR Heated Outside Mirrors
ATC Transfer Case (Four
-Wheel Drive)
STOPLP Stoplamps
RR W/W Not Used

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7-43
Wiper Blade Check
Inspect wiper blades for wear or cracking. Replace blade
inserts that appear worn or damaged or that streak or
miss areas of the windshield. Also see ªWiper Blades,
Cleaningº in the Index.
Weatherstrip Lubrication
Silicone grease on weatherstrips will make them last
longer, seal better, and not stick or squeak. Apply
silicone grease with a clean cloth. During very cold,
damp weather more frequent application may be
required. (See ªRecommended Fluids and Lubricantsº in
the Index.)
Manual Transmission Check
Check the transmission fluid level; add if needed. See
ªManual Transmission Fluidº in the Index. Check for
leaks. A fluid loss may indicate a problem. Have the
system inspected and repaired if needed.
Automatic Transmission Check
Check the transmission fluid level; add if needed. See
ªAutomatic Transmission Fluidº in the Index. A fluid
loss may indicate a problem. Check the system and
repair if needed.Hydraulic Clutch System Check
Check the fluid level in the clutch reservoir. See
ªHydraulic Clutch Fluidº in the Index. A fluid loss in
this system could indicate a problem. Have the system
inspected and repaired at once.
At Least Four Times a Year
Tailgate Lubrication Service
Lubricate tailgate latch bolt, handle assembly pivot points,
and hinges with lubricant recommended in Part D.
At Least Once a Year
Key Lock Cylinders Service
Lubricate the key lock cylinders with the lubricant
specified in Part D.
Body Lubrication Service
Lubricate all body door and fuel door hinges, latches
and locks including the glove box, console doors, the
body hood, secondary latch, pivots, spring anchor,
release pawl, and any moving seat hardware. Lubricate
the hood safety lever pivot and prop rod pivot. Part D
tells you what to use. More frequent lubrication may be
required when exposed to a corrosive environment.

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9-6
Lights
Air Bag Off 1-28, 2-56 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Air Bag Readiness 1-22, 2-56 . . . . . . . . . . . . . . . . . . . . . . .
Anti-Lock Brake System Warning 2-60, 4-7 . . . . . . . . . . . .
Brake System Warning 2-60 . . . . . . . . . . . . . . . . . . . . . . . . .
Charging System 2-58 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Check Gages 2-65 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Low Fuel 2-66 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Safety Belt Reminder 1-7, 2-55 . . . . . . . . . . . . . . . . . . . . . .
Security Warning 2-64 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Service 4WD 2-65 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Service Engine Soon 2-61 . . . . . . . . . . . . . . . . . . . . . . . . . .
Shift 2-23, 2-59 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Loading, Truck-Camper 4-43 . . . . . . . . . . . . . . . . . . . . . . . . .
Loading Your Vehicle 4-40 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Loading Your Vehicle Off-Road Driving 4-14 . . . . . . . . . . . .
Locking Rear Axle 2-32 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lockout Prevention 2-5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Locks
Door 2
-4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Ignition Transmission Check 7-45 . . . . . . . . . . . . . . . . . . . .
Key Lock Cylinder Service 7-43 . . . . . . . . . . . . . . . . . . . . .
Power Door 2-5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Loss of Control 4-13 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Low Fuel Light 2-66 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lubricants and Fluids 7-48 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lubrication Service
Body 7
-43 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Tailgate 7-43 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lumbar Controls 1-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Maintenance Record 7-51 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Maintenance Schedule 7-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Long Trip/Highway 7-6, 7-29 . . . . . . . . . . . . . . . . . . . . . . .
Owner Checks and Services 7-42 . . . . . . . . . . . . . . . . . . . . .
Periodic Maintenance Inspections 7-46 . . . . . . . . . . . . . . . .
Recommended Fluids and Lubricants 7-48 . . . . . . . . . . . . .
Scheduled Maintenance Services 7-4 . . . . . . . . . . . . . . . . . .
Short Trip/City 7-5, 7-8 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Maintenance, Underbody 6-58 . . . . . . . . . . . . . . . . . . . . . . . . .
Maintenance When Trailer Towing 4-54 . . . . . . . . . . . . . . . . .
Malfunction Indicator Lamp 2-61 . . . . . . . . . . . . . . . . . . . . . .
Manual Front Seat 1-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Manual Lumbar Support 1-3 . . . . . . . . . . . . . . . . . . . . . . . . . .
Manual Transmission
Check 7
-43 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fluid 6-20, 7-48 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operation 2-21 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Shifting 2-21 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Methanol 6-4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Mirrors 2-45 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Convex Outside 2-46 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Illuminated Visor Vanity 2-49 . . . . . . . . . . . . . . . . . . . . . . .
Inside Day/Night Rearview 2-45 . . . . . . . . . . . . . . . . . . . . .
Power Remote Control 2-45 . . . . . . . . . . . . . . . . . . . . . . . . .
Visor Vanity 2-48 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Model Reference vi. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Mountain Roads 4
-34 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Multifunction Lever 2-35 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Neutral
Automatic Transmission 2-20 . . . . . . . . . . . . . . . . . . . . . . .
Manual Transmission 2-22 . . . . . . . . . . . . . . . . . . . . . . . . . .
New Vehicle ªBreak-Inº 2-12 . . . . . . . . . . . . . . . . . . . . . . . . .

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9-7
Night Vision 4-27 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Normal Maintenance Replacement Parts 6-70 . . . . . . . . . . . . .
Odometer 2-54 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Off-Road Driving 4-14 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Off-Road Driving with Your Four-Wheel-Drive Vehicle 4-14
Off-Road Recovery 4-11 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Oil, Engine 6-11 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Ordering Service and Owner Publications 8-12, 8-13 . . . . . . .
Outside Mirror
Convex 2
-46 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Heated 2-46 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Manual Adjust 2-45 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Power Remote Control 2-45 . . . . . . . . . . . . . . . . . . . . . . . . .
Overheating Engine 5-9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Owner Checks and Services 7-42 . . . . . . . . . . . . . . . . . . . . . . .
Owner Publications, Ordering 8-12, 8-13 . . . . . . . . . . . . . . . .
Paint Spotting, Chemical 6-58 . . . . . . . . . . . . . . . . . . . . . . . .
Park
Automatic Transmission 2
-18 . . . . . . . . . . . . . . . . . . . . . . .
Shifting Into 2-27 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Shifting Out of 2-29 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Parking
At Night 2
-10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Brake 2-26 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Brake Mechanism Check 7-45 . . . . . . . . . . . . . . . . . . . . . . .
Lots 2-10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
On Hills with a Trailer 4-53 . . . . . . . . . . . . . . . . . . . . . . . . .
Over Things That Burn 2-30 . . . . . . . . . . . . . . . . . . . . . . . .
With a Trailer 4-53 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Your Vehicle, Manual Transmission 2-30 . . . . . . . . . . . . . .
Parts, Replacement 6-70 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Passing 4
-11 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Passlock
2-12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Payload 4-42 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Periodic Maintenance Inspections 7-46 . . . . . . . . . . . . . . . . . .
Pickup Conversion to Chassis Cab 4-45 . . . . . . . . . . . . . . . . .
Power
Accessory Outlets 2
-49 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Door Locks 2-5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Option Fuses 6-61 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Remote Control Mirror 2-45 . . . . . . . . . . . . . . . . . . . . . . . .
Steering 4-9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Steering Fluid 6-29 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Windows 2-32 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Pregnancy, Use of Safety Belts 1-19 . . . . . . . . . . . . . . . . . . . .
Problems on the Road 5-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Publications, Service and Owner 8-12, 8-13 . . . . . . . . . . . . . .
Radiator 5-16 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Radiator Pressure Cap 6-25 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Radio Reception 3-23 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Radios
AM
-FM Stereo 3-7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cassette Tape Care 3-24 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cassette Tape Player 3-8, 3-11 . . . . . . . . . . . . . . . . . . . . . .
Compact Disc Player 3-15 . . . . . . . . . . . . . . . . . . . . . . . . . .
Compact Disc Player Care 3-25 . . . . . . . . . . . . . . . . . . . . . .
Remote Cassette Tape Player 3-19 . . . . . . . . . . . . . . . . . . . .
Theft-Deterrent Feature 3-21 . . . . . . . . . . . . . . . . . . . . . . . .
Rain, Driving 4-28 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
RAP 2-15 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Rear
Axle 6
-22 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Seat Passengers 1-33 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .