1999 PONTIAC GRAND PRIX adding oil

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5-14
NOTICE:
Engine damage from running your engine
without coolant isn't covered by your warranty.
See ªOverheated Engine Protection Operating
Modeº in the Index.
NOTICE:
When adding coolant, it is important that you use
only DEX
-COOL
(silicate-free) coolant.
If coolant other than DEX-COOL is added to the
system, premature engine, heater core or
radiator corrosion may result. In addition, the
engine coolant will require change sooner
-- at
30,000 miles (50 000 km) or 24 months,
whichever occurs first. Damage caused by the use
of coolant other than DEX
-COOL
is not
covered by your new vehicle warranty.
If there seems to be no leak, with the engine on, check to
see if the electric engine cooling fans are running. If the
engine is overheating, both fans should be running. If
they aren't, your vehicle needs service.
How to Add Coolant to the Coolant
Recovery Tank
If you haven't found a problem yet, but the coolant level
isn't at the COLD mark, add a 50/50 mixture of clean,
drinkable water and DEX
-COOL
engine coolant at the
coolant recovery tank. (See ªEngine Coolantº in the
Index for more information.)
CAUTION:
Adding only plain water to your cooling system
can be dangerous. Plain water, or some other
liquid like alcohol, can boil before the proper
coolant mixture will. Your vehicle's coolant
warning system is set for the proper coolant
mixture. With plain water or the wrong mixture,
your engine could get too hot but you wouldn't
get the overheat warning. Your engine could
catch fire and you or others could be burned. Use
a 50/50 mixture of clean, drinkable water and
DEX
-COOL
coolant.

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6-26
Engine Coolant
The cooling system in your vehicle is filled with
DEX
-COOL
engine coolant. This coolant is designed
to remain in your vehicle for 5 years or 150,000 miles
(240 000 km), whichever occurs first, if you add only
DEX
-COOL
extended life coolant.
The following explains your cooling system and how to
add coolant when it is low. If you have a problem with
engine overheating or if you need to add coolant to your
radiator, see ªEngine Overheatingº in the Index.
A 50/50 mixture of clean, drinkable water and
DEX
-COOL
coolant will:

Give freezing protection down to
-34F (-37C).

Give boiling protection up to 265F (129C).

Protect against rust and corrosion.

Help keep the proper engine temperature.

Let the warning lights and gages work as
they should.
NOTICE:
When adding coolant, it is important that you use
only DEX
-COOL (silicate-free) coolant.
If coolant other than DEX-COOL is added to the
system, premature engine, heater core or
radiator corrosion may result. In addition, the
engine coolant will require change sooner
-- at
30,000 miles (50 000 km) or 24 months,
whichever occurs first. Damage caused by the use
of coolant other than DEX
-COOL is not
covered by your new vehicle warranty.

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6-27 What to Use
Use a mixture of one-half clean, drinkable water and
one
-half DEX-COOL
coolant which won't damage
aluminum parts. If you use this coolant mixture, you
don't need to add anything else.
CAUTION:
Adding only plain water to your cooling system
can be dangerous. Plain water, or some other
liquid like alcohol, can boil before the proper
coolant mixture will. Your vehicle's coolant
warning system is set for the proper coolant
mixture. With plain water or the wrong mixture,
your engine could get too hot but you wouldn't
get the overheat warning. Your engine could
catch fire and you or others could be burned. Use
a 50/50 mixture of clean, drinkable water and
DEX
-COOL
coolant.
NOTICE:
If you use an improper coolant mixture, your
engine could overheat and be badly damaged.
The repair cost wouldn't be covered by your
warranty. Too much water in the mixture can
freeze and crack the engine, radiator, heater core
and other parts.
If you have to add coolant more than four times a year,
have your dealer check your cooling system.
NOTICE:
If you use the proper coolant, you don't have to
add extra inhibitors or additives which claim to
improve the system. These can be harmful.

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6-66
Replacement Bulbs
Exterior Lamps Bulb Number. . . . . . . . . . . . . . . . .
Back
-Up 3156. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Center High
-Mounted Stop 1141. . . . . . . . . . . . . . . .
Front Parking/Turn Signal 3357 NAK. . . . . . . . . . . . .
Headlamps High/Low Beam 9007. . . . . . . . . . . . . . .
Stop/Tail/Turn Signal 3057. . . . . . . . . . . . . . . . . . . . .
Front Sidemarker 194. . . . . . . . . . . . . . . . . . . . . . . . .
Rear Sidemarker 194. . . . . . . . . . . . . . . . . . . . . . . . .
Capacities and Specifications
Please refer to ªRecommended Fluids and Lubricantsº
in the Index for more information.
Automatic Transaxle with Overdrive
Pan Removal and Replacement 8.0 quarts (7.5 L). . .
After Complete Overhaul 10.0 quarts (9.5 L). . . . . . .
*When draining/replacing converter or auxiliary
cooler, more fluid may be needed.Cooling System Including Reservoir
3100 (Code M) 11.0 quarts (10.42 L). . . . . . . . . . . . . .
3800 (Code K) 12.3 quarts (11.7 L). . . . . . . . . . . . . . .
3800 Supercharged (Code 1) 12.3 quarts (11.7 L). . . .
Refrigerant (R
-134a),
Air Conditioning*1.9 lbs. (0.85 kg) . . . . . . . . . . . .
Engine Crankcase (Oil Change with Filter Change)
3100 (Code M) 4.5 quarts (4.3 L). . . . . . . . . . . . . . . .
3800 (Code K) 4.5 quarts (4.3 L). . . . . . . . . . . . . . . .
3800 Supercharged (Code 1) 4.5 quarts (4.3 L). . . . .
Fuel Tank17.7 gallons (67 L) . . . . . . . . . . . . . . . . . .
*See ªAir Conditioning Refrigerantsº later in
this section.
Note: All capacities are approximate. When adding
fluid, be sure to fill to the appropriate level, as
recommended in this manual. Recheck fluid level after
filling. See ªRecommended Fluids and Lubricantsº in
the Index for more information.

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9-4
Door
Ajar Light 2-87, 2-91 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Locks 2-4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Drive, Automatic Transaxle 2-34 . . . . . . . . . . . . . . . . . . . . . . .
Driver Information Center 2-86 . . . . . . . . . . . . . . . . . . . . . . . .
English/Metric Button 2-90 . . . . . . . . . . . . . . . . . . . . . . . . .
Mode Button 2-90 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Reset Button 2-90 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Driver Position 1-13 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Driving
City 4
-21 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Defensive 4-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Drunken 4-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Freeway 4-22 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
In Foreign Countries 6-5 . . . . . . . . . . . . . . . . . . . . . . . . . . .
In the Rain 4-18 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Night 4-17 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
On Curves 4-12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
On Grades While Towing a Trailer 4-39 . . . . . . . . . . . . . . .
On Hill and Mountain Roads 4-25 . . . . . . . . . . . . . . . . . . . .
On Snow and Ice 4-28 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Through Water 4-21 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Wet Roads 4-18 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Winter 4-27 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
With a Trailer 4-37 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DRL 2-52 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Drunken Driving 4-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electrical Equipment, Adding 3-26, 6-60 . . . . . . . . . . . . . . .
Electrical System 6-60 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electrochromic Day/Night Rearview Mirror 2-57 . . . . . . . . . .
Engine 6-10, 6-11, 6-12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Air Cleaner/Filter 6-20 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Coolant 6-26 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Coolant Heater 2
-30 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Coolant Level Check 7-14 . . . . . . . . . . . . . . . . . . . . . . . . . .
Coolant Temperature Gage 2-80 . . . . . . . . . . . . . . . . . . . . .
Coolant Temperature Light 2-79 . . . . . . . . . . . . . . . . . . . . .
Exhaust 2-22, 2-43, 4-30 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fuse Block (Passenger's Side) 6-63 . . . . . . . . . . . . . . . . . . .
Identification 6-59 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Oil Level Check 7-14 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Overheated Protection Operating Mode 5-9 . . . . . . . . . . . .
Overheating 5-9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Running While Parked 2-44 . . . . . . . . . . . . . . . . . . . . . . . . .
Specifications 6-67 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Starting Your 2-28 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Supercharged 6-13 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Engine Cooling When Trailer Towing 4-40 . . . . . . . . . . . . . . .
Engine Oil 6-13 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Adding 6-15 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Additives 6-19 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Checking 6-14 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Used 6-19 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
What Kind to Use 6-16 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
When to Change 6-19 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Ethanol 6-5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Exhaust, Engine 2-22, 2-43, 4-30 . . . . . . . . . . . . . . . . . . . . . .
Exit Lighting 2-55 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Express-Open Sunroof 2-65 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Exterior Lamps 2-51 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fabric Cleaning 6-51 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Filling a Portable Fuel Container 6-8 . . . . . . . . . . . . . . . . . . . .
Filling Your Tank 6-6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Filter, Air 6-20 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Finish Care 6-55 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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9-10
Seats
Heated 1-4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Manual Front 1-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Manual Lumbar 1-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Power Four-Way Lumbar, Driver's 1-4 . . . . . . . . . . . . . . . .
Restraint Systems 1-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Seat Controls 1-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Securing a Child Restraint 1-44 . . . . . . . . . . . . . . . . . . . . . .
Six-Way Power 1-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Second Gear, Automatic Transaxle 2-34 . . . . . . . . . . . . . . . . .
Service 6-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Bulletins, Ordering 8-14 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Manuals, Ordering 8-14 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Parts Identification Label 6-59 . . . . . . . . . . . . . . . . . . . . . . .
Publications, Ordering 8-14 . . . . . . . . . . . . . . . . . . . . . . . . .
Work, Doing Your Own 6-2 . . . . . . . . . . . . . . . . . . . . . . . . .
Service and Appearance Care 6-1 . . . . . . . . . . . . . . . . . . . . . .
Service and Owner Publications 8-13 . . . . . . . . . . . . . . . . . . .
Service Engine Soon Light 2-75 . . . . . . . . . . . . . . . . . . . . . . .
Service Publications 8-14 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Servicing Your Air Bag-Equipped Vehicle 1-28 . . . . . . . . . . .
Sheet Metal Damage 6-57 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Shift Lock Release 2-40 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Shifting 2-32 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Automatic Transaxle 2-32 . . . . . . . . . . . . . . . . . . . . . . . . . .
Column 2-37 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Console 2-38 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Into PARK (P) 2-37 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Out of PARK (P) 2-40 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Performance 2-35 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Shoulder Belt Height Adjuster 1-16 . . . . . . . . . . . . . . . . . . . . .
Signaling Turns 2-47 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Skidding 4-16 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Sound Equipment, Adding 3-26 . . . . . . . . . . . . . . . . . . . . . . . . Spare Tire, Compact 5
-32 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Specifications and Capacities 6-66 . . . . . . . . . . . . . . . . . . . . . .
Specifications, Engine 6-67 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Speech Impaired, Customer Assistance 8-5 . . . . . . . . . . . . . . .
Speedometer 2-69 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SRS 1-22 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Stains, Cleaning 6-51 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Starter Switch Check 7-16 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Starting Your Engine 2-28 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Steam 5-10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Steering 4-12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Audio Wheel Controls 3-25 . . . . . . . . . . . . . . . . . . . . . . . . .
In Emergencies 4-13 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Power 4-12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Tips 4-12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Wheel, Tilt 2-46 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage Compartments 2-59 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Center Console 2-61 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Garage Door Opener 2-59 . . . . . . . . . . . . . . . . . . . . . . . . . .
Overhead Console 2-59 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Rear Armrest 2-61 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Sunglasses 2-59 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage, Vehicle 6-35 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storing
Flat Tire and Tools 5
-30 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Spare Tire and Tools 5-31 . . . . . . . . . . . . . . . . . . . . . . . . . .
Stuck: In Sand, Mud, Ice or Snow 5-33 . . . . . . . . . . . . . . . . . .
Sun Visors 2-63 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Sunglasses Storage 2-59 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Sunroof 2-65 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Supercharged Engine 6-13 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Supercharger Oil 6-21 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Supplemental Restraint System 1-22 . . . . . . . . . . . . . . . . . . . .
Symbols, Vehicle v. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .