1999 PONTIAC BONNEVILLE wiper blades

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2-39
The wiper speed may be set for a long or short delay
between wipes. This can be very useful in light rain or
snow. Turn the band to choose the delay time. The
closer to LO, the shorter the delay.
Heavy snow or ice can overload your wiper motor. A
circuit breaker will stop the motor until it cools. Clear
away snow or ice to prevent an overload.
Keep in mind that damaged wiper blades may prevent
you from seeing well enough to drive safely. To avoid
damage, be sure to clear ice and snow from the wiper
blades before using them. If your blades do become
damaged, get new blades or blade inserts.
Windshield Washer
At the top of the turn signal/multifunction lever, there's
a paddle with the word PUSH on it. To spray washer
fluid on the windshield, push the paddle briefly. The
wipers will clear the window and either stop or return to
your preset speed. For more washer cycles, push and
hold the paddle.
CAUTION:
In freezing weather, don't use your washer until
the windshield is warmed. Otherwise the washer
fluid can form ice on the windshield, blocking
your vision.
Some models have a WASHER FLUID warning that
indicates if the fluid level in the windshield washer
reservoir is low. See ªLow Washer Fluid Warning Lightº
in the Index.
Cruise Control
With cruise control, you can
maintain a speed of about
25 mph (40 km/h) or more
without keeping your foot
on the accelerator. This can
really help on long trips.

First Edition for Pontiac Bonneville Owner's Manual ± 1999
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4-17
Driving in Rain and on Wet Roads
H±44±0004±V
Rain and wet roads can mean driving trouble. On a wet
road, you can't stop, accelerate or turn as well because
your tire
-to-road traction isn't as good as on dry roads.
And, if your tires don't have much tread left, you'll get
even less traction. It's always wise to go slower and be
cautious if rain starts to fall while you are driving. The
surface may get wet suddenly when your reflexes are
tuned for driving on dry pavement.
The heavier the rain, the harder it is to see. Even if your
windshield wiper blades are in good shape, a heavy rain
can make it harder to see road signs and traffic signals,
pavement markings, the edge of the road and even
people walking.
It's wise to keep your windshield wiping equipment in
good shape and keep your windshield washer tank filled
with washer fluid. Replace your windshield wiper
inserts when they show signs of streaking or missing
areas on the windshield, or when strips of rubber start to
separate from the inserts.

First Edition for Pontiac Bonneville Owner's Manual ± 1999
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4-22
The exit speed is usually posted.
Reduce your speed according to your speedometer, not
to your sense of motion. After driving for any distance
at higher speeds, you may tend to think you are going
slower than you actually are.
Before Leaving on a Long Trip
Make sure you're ready. Try to be well rested. If you
must start when you're not fresh
-- such as after a day's
work
-- don't plan to make too many miles that first part
of the journey. Wear comfortable clothing and shoes you
can easily drive in.
Is your vehicle ready for a long trip? If you keep it
serviced and maintained, it's ready to go. If it needs
service, have it done before starting out. Of course,
you'll find experienced and able service experts in
Pontiac dealerships all across North America. They'll be
ready and willing to help if you need it.Here are some things you can check before a trip:

Windshield Washer Fluid: Is the reservoir full? Are
all windows clean inside and outside?

Wiper Blades: Are they in good shape?

Fuel, Engine Oil, Other Fluids: Have you checked
all levels?

Lamps: Are they all working? Are the lenses clean?

Tires: They are vitally important to a safe,
trouble-free trip. Is the tread good enough for
long
-distance driving? Are the tires all inflated to the
recommended pressure?

Weather Forecasts: What's the weather outlook
along your route? Should you delay your trip a short
time to avoid a major storm system?

Maps: Do you have up
-to-date maps?

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6-43
Windshield Wiper Blade Replacement
Windshield wiper blades should be inspected at least
twice a year for wear or cracking. See ªWiper Blade
Checkº in Section 7 of this manual under Part B ªOwner
Checks and Servicesº for more information.
Replacement blades come in different types and are
removed in different ways. Here's how to remove the
type with a release hole:
1. Pull the windshield wiper arm away from
the windshield.
2. Insert a small screwdriver into the hole (A) and pull
the blade assembly off the wiper arm (B).
3. Push the new wiper blade securely on the wiper arm.
For the proper windshield wiper blade replacement
length and type, see ªNormal Maintenance Replacement
Partsº in the Index.

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6-55
Cleaning Glass Surfaces
Glass should be cleaned often. GM Glass Cleaner or a
liquid household glass cleaner will remove normal
tobacco smoke and dust films on interior glass. (See
ªAppearance Care and Materialsº in the Index.)
Don't use abrasive cleaners on glass, because they may
cause scratches. Avoid placing decals on the inside rear
window, since they may have to be scraped off later. If
abrasive cleaners are used on the inside of the rear
window, an electric defogger element may be damaged.
Any temporary license should not be attached across the
defogger grid.
Cleaning the Outside of the
Windshield and Wiper Blades
If the windshield is not clear after using the windshield
washer, or if the wiper blade chatters when running,
wax, sap or other material may be on the blade
or windshield.
Clean the outside of the windshield with GM
Windshield Cleaner, Bon Ami

Powder (non-scratching
glass cleaning powder), GM Part No. 1050011. The
windshield is clean if beads do not form when you rinse
it with water.Grime from the windshield will stick to the wiper blades
and affect their performance. Clean the blade by wiping
vigorously with a cloth soaked in full
-strength
windshield washer solvent. Then rinse the blade
with water.
Check the wiper blades and clean them as necessary;
replace blades that look worn.
Weatherstrips
Silicone grease on weatherstrips will make them last
longer, seal better, and not stick or squeak. Apply
silicone grease with a clean cloth at least every six
months. During very cold, damp weather more frequent
application may be required. (See ªRecommended
Fluids and Lubricantsº in the Index.)
Cleaning the Outside of Your Vehicle
The paint finish on your vehicle provides beauty, depth
of color, gloss retention and durability.

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6-70 Engine Specifications
3800 Series II Engine (L36)
VIN Engine Code K. . . . . . . . . . . . . . . . . . . . . . . . . . .
Type V6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Displacement 3.8 Liters. . . . . . . . . . . . . . . . . . . . . . . .
Horsepower 205
-hp . . . . . . . . . . . . . . . . . . . . . . . . . . .
Firing Order 1
-6-5-4-3-2 . . . . . . . . . . . . . . . . . . . . . .
Thermostat Temperature 195
F (91
C) . . . . . . . . . . .
3800 Series II Supercharged Engine (L67)
VIN Engine Code 1. . . . . . . . . . . . . . . . . . . . . . . . . . .
Type V6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Displacement 3.8 Liters. . . . . . . . . . . . . . . . . . . . . . . .
Horsepower 240
-hp . . . . . . . . . . . . . . . . . . . . . . . . . . .
Firing Order 1
-6-5-4-3-2 . . . . . . . . . . . . . . . . . . . . . .
Thermostat Temperature 195
F (91
C) . . . . . . . . . . .
Air Conditioning Refrigerants
Not all air conditioning refrigerants are the same. If the air
conditioning system in your vehicle needs refrigerant, be
sure the proper refrigerant is used. If you're not sure, ask
your dealer.
Normal Maintenance
Replacement Parts
Air Cleaner Filter AC Type A-1096C . . . . . . . . . . . . .
Engine Oil Filter AC Type PF
-47 . . . . . . . . . . . . . . . .
Fuel Filter AC Type GF
-627 . . . . . . . . . . . . . . . . . . . .
Transaxle Filter GM Part No. 8651909. . . . . . . . . . . .
Spark Plugs AC Type 41
-921* . . . . . . . . . . . . . . . . .
Gap: 0.060 inch (1.52 mm)
Windshield Wiper Blades
Type Pin. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Length 22 inches (56 cm). . . . . . . . . . . . . . . . . . . . .
*On 3800 Supercharged Engine (Code 1) only, this
replaces original spark plug NGK Type PTR4B
-15.

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7-33 At Least Twice a Year
Restraint System Check
Make sure the safety belt reminder light and all your
belts, buckles, latch plates, retractors and anchorages are
working properly. Look for any other loose or damaged
safety belt system parts. If you see anything that might
keep a safety belt system from doing its job, have it
repaired. Have any torn or frayed safety belts replaced.
Also look for any opened or broken air bag coverings,
and have them repaired or replaced. (The air bag system
does not need regular maintenance.)
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.)Automatic Transaxle Check
Check the transaxle fluid level; add if needed. See
ªAutomatic Transaxle Fluidº in the Index. A fluid loss
may indicate a problem. Check the system and repair
if needed.
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 hinges. Also lubricate all hinges
and latches, including those for the hood, rear
compartment, glove box door, console door and any
folding seat hardware. Part D tells you what to use.
More frequent lubrication may be required when
exposed to a corrosive environment.

First Edition for Pontiac Bonneville Owner's Manual ± 1999
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9-3
Cleaning
Aluminum or Chrome Wheels 6-57 . . . . . . . . . . . . . . . . . . .
Exterior Lamps/Lenses 6-56 . . . . . . . . . . . . . . . . . . . . . . . .
Fabric 6-52 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Glass 6-55 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Inside of Your Vehicle 6-52 . . . . . . . . . . . . . . . . . . . . . . . . .
Instrument Panel 6-54 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Interior Plastic Components 6-52 . . . . . . . . . . . . . . . . . . . . .
Leather 6-54 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Outside of Your Vehicle 6-55 . . . . . . . . . . . . . . . . . . . . . . . .
Special Problems 6-53 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Stains 6-53 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Tires 6-57 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Vinyl 6-54 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Wheels 6-57 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Windshield and Wiper Blades 6-55 . . . . . . . . . . . . . . . . . . .
Climate Control, Standard 3-2 . . . . . . . . . . . . . . . . . . . . . . . . .
Climate Control System 3-2 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Clock, Setting the 3-10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Comfort Controls 3-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Compact Disc Care 3-30 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Compact Disc Player 3-19, 3-22 . . . . . . . . . . . . . . . . . . . . . . .
Care 3-30 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Errors 3-21, 3-23 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Compact Spare Tire 5-32 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Compass, Electronic 2-82 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Computer Command Ride 2-28 . . . . . . . . . . . . . . . . . . . . . . . .
Console Storage 2-52 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Control of a Vehicle 4-6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Convenience Net 2-53 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Convex Outside Mirror 2-51 . . . . . . . . . . . . . . . . . . . . . . . . . . Coolant 6
-24 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Heater, Engine 2-22 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Recovery Tank 5-12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Coolant Temperature Gage 2-69 . . . . . . . . . . . . . . . . . . . . . . .
Cooling System 5-12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Courtesy Transportation 8-10 . . . . . . . . . . . . . . . . . . . . . . . . . .
Cruise Control 2-40 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cupholder
Center Console 2
-52 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Door 2-52 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Customer Assistance for Text Telephone Users 8-5 . . . . . . . . .
Customer Assistance Information 8-1 . . . . . . . . . . . . . . . . . . .
Customer Satisfaction Procedure 8-3 . . . . . . . . . . . . . . . . . . . .
Damage, Finish 6-58 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Damage, Sheet Metal 6-57 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Daytime Running Lamps 2-43 . . . . . . . . . . . . . . . . . . . . . . . . .
Dead Battery 5-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Defects, Reporting Safety 8-12 . . . . . . . . . . . . . . . . . . . . . . . .
Defensive Driving 4-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Defogger, Rear Window 3-9 . . . . . . . . . . . . . . . . . . . . . . . . . .
Defogging 3-8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Defrosting 3-8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Delayed Illumination 2-47 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Delayed Locking 2-7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DIC 2-80 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Dimensions, Vehicle 6-71 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Dolby B Noise Reduction 3-14, 3-18 . . . . . . . . . . . . . . . . . . .
Door
Ajar Message 2
-81 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Locks 2-4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .