heater PONTIAC FIREBIRD 1999 User Guide

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5-15 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 FULL 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.
NOTICE:
In cold weather, water can freeze and crack the
engine, radiator, heater core and other parts. Use
the recommended coolant and the proper coolant
mixture.

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6-28
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.
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.

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6-29
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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9-3
Cleaner, Air 6-18 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cleaning
Aluminum Wheels 6
-61 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Chrome-Plated Wheels 6-61 . . . . . . . . . . . . . . . . . . . . . . . .
Convertible Top 6-60 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Exterior Lamps/Lenses 6-59 . . . . . . . . . . . . . . . . . . . . . . . .
Fabric/Carpet 6-55 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Glass Surfaces 6-58 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Inside of Your Vehicle 6-55 . . . . . . . . . . . . . . . . . . . . . . . . .
Instrument Panel 6-57 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Interior Plastic Components 6-57 . . . . . . . . . . . . . . . . . . . . .
Leather 6-57 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Outside of Your Vehicle 6-59 . . . . . . . . . . . . . . . . . . . . . . . .
Removable Roof Panel 6-58 . . . . . . . . . . . . . . . . . . . . . . . . .
Special Problems 6-56 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Stains 6-55 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Tires 6-61 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Vinyl 6-57 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Wheels 6-61 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Windshield and Wiper Blades 6-58 . . . . . . . . . . . . . . . . . . .
Cleaning, Wiper Blades 6-58 . . . . . . . . . . . . . . . . . . . . . . . . . .
Clock, Setting the 3-6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Comfort Controls 3-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Compact Disc Care 3-22 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Compact Disc Player 3-10 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Care 3-22 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Errors 3-11 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Trunk-Mounted CD Changer 3-12 . . . . . . . . . . . . . . . . . . . .
Compact Spare Tire 5-36 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Content Theft-Deterrent System 2-13 . . . . . . . . . . . . . . . . . . .
Control
Loss Of 4
-15 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Vehicle 4-6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Convertible Top 2
-66 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cleaning 6-60 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installing the Boot Cover 2-69 . . . . . . . . . . . . . . . . . . . . . . .
Lowering 2-66 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Raising 2-71 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Removing the Boot Cover 2-70 . . . . . . . . . . . . . . . . . . . . . .
Convex Outside Mirror 2-55 . . . . . . . . . . . . . . . . . . . . . . . . . .
Coolant 6-28 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Adding 6-30 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Checking 6-30 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Heater, Engine 2-28 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Recovery Tank 5-15 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Temperature Gage 2-82 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
What to Use 6-28 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cooling System 5-12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Courtesy Lamps 2-52 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Courtesy Transportation 8-10 . . . . . . . . . . . . . . . . . . . . . . . . . .
Cruise Control 2-46 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Customer Assistance for Text Telephone Users 8-5 . . . . . . . . .
Customer Assistance Information 8-1 . . . . . . . . . . . . . . . . . . .
Customer Satisfaction Procedure 8-3 . . . . . . . . . . . . . . . . . . . .
Damage, Finish 6-62 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Damage, Sheet Metal 6-61 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Daytime Running Lamps 2-50 . . . . . . . . . . . . . . . . . . . . . . . . .
Dead Battery 5-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Defects, Reporting Safety 8-12 . . . . . . . . . . . . . . . . . . . . . . . .
Defensive Driving 4-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Defogger, Rear Window 3-4 . . . . . . . . . . . . . . . . . . . . . . . . . .
Defogging 3-4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Defrosting 3-4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Dimensions, Vehicle 6-73 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Dolby B Noise Reduction 3-8 . . . . . . . . . . . . . . . . . . . . . . . . .

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9-4
Door
Keys 2-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Last Closed Locking 2-5 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Locks 2-4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Power Locks 2-5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Drive, Automatic Transmission 2-31 . . . . . . . . . . . . . . . . . . . .
Driver Position 1-15 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Driving
City 4
-21 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Defensive 4-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Drunken 4-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Freeway 4-22 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
In Foreign Countries 6-5 . . . . . . . . . . . . . . . . . . . . . . . . . . .
In the Rain 4-18 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Night 4-16 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
On Curves 4-11 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
On Grades While Towing a Trailer 4-38 . . . . . . . . . . . . . . .
On Hill and Mountain Roads 4-24 . . . . . . . . . . . . . . . . . . . .
On Snow and Ice 4-27 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Through Water 4-20 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Wet Roads 4-18 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Winter 4-26 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
With a Trailer 4-37 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DRL 2-50 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Drunken Driving 4-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electrical Equipment, Adding 3-20, 6-65 . . . . . . . . . . . . . . .
Electrical System 6-65 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Engine 6-10, 6-11 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Air Cleaner/Filter 6-18 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Check Gages Light 2-89 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Coolant 6-28 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Coolant Heater 2-28 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Coolant Level Check 7
-17 . . . . . . . . . . . . . . . . . . . . . . . . . .
Coolant Temperature Gage 2-82 . . . . . . . . . . . . . . . . . . . . .
Exhaust 2-11, 2-41, 4-30 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fuse Block 6-69 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Identification 6-64 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Oil Level Check 7-17 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Overheated Protection Operating Mode 5-9 . . . . . . . . . . . .
Overheating 5-9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Reduced Power Light 2-90 . . . . . . . . . . . . . . . . . . . . . . . . . .
Running While Parked 2-41 . . . . . . . . . . . . . . . . . . . . . . . . .
Specifications 6-72 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Starting Your 2-25 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Engine Cooling When Trailer Towing 4-40 . . . . . . . . . . . . . . .
Engine Oil 6-12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Adding 6-13 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Additives 6-17 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Checking 6-13 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Used 6-17 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
What Kind to Use 6-14 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
When to Change 6-17 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Ethanol 6-5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Exhaust, Engine 2-11, 2-41, 4-30 . . . . . . . . . . . . . . . . . . . . . .
Exterior Lamps 2-49 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fabric/Carpet Cleaning 6-55 . . . . . . . . . . . . . . . . . . . . . . . . .
Feature Customization 2-18 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Driver's Door Alarm Delay/Shock Sensor Enable 2-21 . . .
Entering Programming Mode 2-18 . . . . . . . . . . . . . . . . . . . .
Exit Lighting/Delayed Illumination 2-19, 2-53 . . . . . . . . . .
Last Door Closed Locking/Lockout Prevention 2-19 . . . . .
Leaving Programming Mode 2-22 . . . . . . . . . . . . . . . . . . . .
Remote Keyless Entry Verification 2-20 . . . . . . . . . . . . . . .
Theft-Deterrent Arming Method 2-21 . . . . . . . . . . . . . . . . .
Theft-Deterrent Arming Verification 2-20 . . . . . . . . . . . . . .