1999 PONTIAC BONNEVILLE height

First Edition for Pontiac Bonneville Owner's Manual ± 1999
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1-13
Shoulder Belt Height Adjuster
Before you begin to drive, move the shoulder belt
adjuster to the height that is right for you.
AV120222
To move it down, squeeze the release handle and move
the height adjuster to the desired position. You can move
the adjuster up just by pushing up on the bottom of the
release handle. After you move the adjuster to where
you want it, try to move it down without squeezing the
release handle to make sure it has locked into position.
Adjust the height so that the shoulder portion of
the belt is centered on your shoulder. The belt should
be away from your face and neck, but not falling off
your shoulder.

First Edition for Pontiac Bonneville Owner's Manual ± 1999
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1-39
AW155015AW155016
A forward-facing child restraint (C-E) positions a
child upright to face forward in the vehicle. These
forward
-facing restraints are designed to help
protect children who are from 20 to 40 lbs. (9 to
18 kg) and about 26 to 40 inches (66 to 102 cm) in
height, or up to around four years of age. One type,
a convertible restraint, is designed to be used either
as a rear
-facing infant seat or a forward-facing
child seat.

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2-79
The HUD controls are located to the left of the
steering column.
1. Start your engine and slide the HUD dimmer control
all the way up.
The brightness of the HUD image is determined by
whether the headlamp switch is on or off, and where you
have set the HUD dimmer control.2. Adjust the seat, if necessary, before setting the
height control.
Slide the IMAGE (image height) control all the way up,
raising the image as far as possible. Then slide the HUD
image height control down so the image is as low as
possible but in full view.
3. Slide the dimmer control downward until the HUD
image is no brighter than necessary. To turn the HUD
off, slide the HUD dimmer control all the way down.
If the sun comes out, or it becomes cloudy, or if you turn
on your headlamps, you may need to adjust the HUD
brightness using the HUD dimmer control. Polaroid
sunglasses could make the HUD image harder to see.
Clean the inside of the windshield as needed to remove
any dirt or film that reduces the sharpness or clarity of
the HUD image.
Spray household glass cleaner on a soft, clean cloth.
Wipe the HUD lens gently, then dry it. Do not spray
cleaner directly on the lens, because the cleaner fluid
could leak inside the unit if you do.

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2-80
If you can't see the HUD image when the ignition is on,
check to see if:

The headlamps are on

The HUD unit is covered

The HUD dimmer control is adjusted correctly

The HUD image is adjusted to the proper height

A fuse in the fuse panel may be blown. See ªFuses
and Circuit Breakersº in the Index.
If the HUD image is not clear, it could be too bright.
Move the HUD dimmer control further downward. You
may need to clean the windshield and HUD lens.
Your windshield is part of the HUD system. If you ever
have to have a new windshield, be sure to get one
designed for HUD. If you don't, the HUD image may
look blurred and out of focus.Driver Information Center (Option)
If you have the Driver Information Center (DIC), it
gives you important safety and maintenance facts. When
you turn the ignition on, the entire center lights up for a
few seconds. Then it goes to work.

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6-31
CAUTION:
The brake wear warning sound means that soon
your brakes won't work well. That could lead to
an accident. When you hear the brake wear
warning sound, have your vehicle serviced.
NOTICE:
Continuing to drive with worn-out brake pads
could result in costly brake repair.
Some driving conditions or climates may cause a brake
squeal when the brakes are first applied or lightly
applied. This does not mean something is wrong with
your brakes.
See ªCaliper/Knuckle Maintenance Inspectionº in
Section 7 of this manual under Part C ªPeriodic
Maintenance Inspections.ºProperly torqued wheel nuts are necessary to help
prevent brake pulsation. When tires are rotated, inspect
brake pads for wear and evenly torque wheel nuts in the
proper sequence to GM specifications.
Your rear drum brakes don't have wear indicators, but if
you ever hear a rear brake rubbing noise, have the rear
brake linings inspected immediately. Also, the rear
brake drums should be removed and inspected each time
the tires are removed for rotation or changing. When
you have the front brake pads replaced, have the rear
brakes inspected, too.
Brake linings should always be replaced as complete
axle sets.
See ªBrake System Inspectionº in Section 7 of
this manual under Part C ªPeriodic
Maintenance Inspections.ºBrake Pedal Travel
See your dealer if the brake pedal does not return to
normal height, or if there is a rapid increase in pedal
travel. This could be a sign of brake trouble.

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6-50 Wheel Alignment and Tire Balance
The wheels on your vehicle were aligned and balanced
carefully at the factory to give you the longest tire life
and best overall performance.
Scheduled wheel alignment and wheel balancing are not
needed. However, if you notice unusual tire wear or your
vehicle pulling one way or the other, the alignment may need
to be reset. If you notice your vehicle vibrating when driving
on a smooth road, your wheels may need to be rebalanced.
Wheel Replacement
Replace any wheel that is bent, cracked, or badly rusted
or corroded. If wheel nuts keep coming loose, the wheel,
wheel bolts and wheel nuts should be replaced. If the
wheel leaks air, replace it (except some aluminum
wheels, which can sometimes be repaired). See your
dealer if any of these conditions exist.
Your dealer will know the kind of wheel you need.
Each new wheel should have the same load
-carrying
capacity, diameter, width, offset and be mounted the
same way as the one it replaces.
If you need to replace any of your wheels, wheel bolts
or wheel nuts, replace them only with new GM original
equipment parts. This way, you will be sure to have the
right wheel, wheel bolts and wheel nuts for your vehicle.
CAUTION:
Using the wrong replacement wheels, wheel bolts
or wheel nuts on your vehicle can be dangerous.
It could affect the braking and handling of your
vehicle, make your tires lose air and make you
lose control. You could have a collision in which
you or others could be injured. Always use the
correct wheel, wheel bolts and wheel nuts
for replacement.
NOTICE:
The wrong wheel can also cause problems with
bearing life, brake cooling, speedometer or
odometer calibration, headlamp aim, bumper
height, vehicle ground clearance and tire or tire
chain clearance to the body and chassis.
See ªChanging a Flat Tireº in the Index for
more information.

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6-71 Vehicle Dimensions
Wheelbase 110.8 inches (281.4 cm). . . . . . . . . . . . . .
Tread Width . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Front 60.4 inches (153.4 cm). . . . . . . . . . . . . . . . . .
Rear 60.3 inches (153.2 cm). . . . . . . . . . . . . . . . . . .
Length 201.9 inches (512.8 cm). . . . . . . . . . . . . . . . .
Width 74.6 inches (189.5 cm). . . . . . . . . . . . . . . . . . .
Height 55.7 inches (141.5 cm). . . . . . . . . . . . . . . . . . .
L36 Engine Accessory Belt
The L36 engine uses an engine accessory belt. This
diagram shows the features connected and the routing.
See ªMaintenance Scheduleº in the Index for when to
check the belt.
A. Power Steering
B. Generator
C. Air ConditioningD. Crank
E. Coolant Pump
F. Idler

First Edition for Pontiac Bonneville Owner's Manual ± 1999
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9-9
Keyless Entry, Personalization Features 2-11 . . . . . . . . . . .
Keyless Entry, Resynchronization 2-14 . . . . . . . . . . . . . . . .
Keyless Entry, Security Feedback 2-12 . . . . . . . . . . . . . . . .
Replacement
Bulbs 6
-68 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Parts 6-70 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Wheel 6-50 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Replacing Safety Belts 1-53 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Reporting Safety Defects 8-12 . . . . . . . . . . . . . . . . . . . . . . . . .
Restraints
Checking 1
-53 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Child 1-37 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Head 1-5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Replacing Parts After a Crash 1-53 . . . . . . . . . . . . . . . . . . .
System Check 7-33 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Retained Accessory Power 2-21 . . . . . . . . . . . . . . . . . . . . . . . .
Reverse, Automatic Transaxle 2-25 . . . . . . . . . . . . . . . . . . . . .
Right Front Passenger Position 1-19 . . . . . . . . . . . . . . . . . . . .
Roadside Assistance 8-8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Roadside Assistance, Canadian 8-8 . . . . . . . . . . . . . . . . . . . . .
Rocking Your Vehicle 5-33 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Rotation, Tires 6-46 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Safety Belt Extender 1-53 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Safety Belts 1-6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Adults 1-11 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Care 6-54 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Center Passenger Position 1-26 . . . . . . . . . . . . . . . . . . . . . .
Children 1-34 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Driver Position 1-11 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Extender 1-53 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
How to Wear Properly 1-11 . . . . . . . . . . . . . . . . . . . . . . . . . Incorrect Usage 1
-14, 1-51, 1-52 . . . . . . . . . . . . . . . . . . . .
Lap Belt 1-27 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lap-Shoulder 1-11, 1-28 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Larger Children 1-50 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Questions and Answers 1-10 . . . . . . . . . . . . . . . . . . . . . . . .
Rear Comfort Guides 1-31 . . . . . . . . . . . . . . . . . . . . . . . . . .
Rear Seat Outside Passenger Positions 1-28 . . . . . . . . . . . .
Rear Seat Passengers 1-28 . . . . . . . . . . . . . . . . . . . . . . . . . .
Reminder Light 1-7, 2-65 . . . . . . . . . . . . . . . . . . . . . . . . . .
Replacing After a Crash 1-53 . . . . . . . . . . . . . . . . . . . . . . . .
Right Front Passenger Position 1-19 . . . . . . . . . . . . . . . . . .
Shoulder Belt Height Adjuster 1-13 . . . . . . . . . . . . . . . . . . .
Smaller Children and Babies 1-34 . . . . . . . . . . . . . . . . . . . .
Use During Pregnancy 1-18 . . . . . . . . . . . . . . . . . . . . . . . . .
Warning Light 1-7, 2-65 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Why They Work 1-7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Safety Chains 4-35 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Safety Defects, Reporting 8-12 . . . . . . . . . . . . . . . . . . . . . . . .
Safety Warnings and Symbols iii. . . . . . . . . . . . . . . . . . . . . . .
Scheduled Maintenance Services 7
-4 . . . . . . . . . . . . . . . . . . . .
Seatback, Reclining Front 1-4 . . . . . . . . . . . . . . . . . . . . . . . . .
Seats
Adjustable Support 1
-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lumbar Control 1-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Manual Front 1-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Power 1-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Restraint Systems 1-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Seat Controls 1-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Securing a Child Restraint 1-43 . . . . . . . . . . . . . . . . . . . . . .
Second Gear, Automatic Transaxle 2-26 . . . . . . . . . . . . . . . . .
Security Feedback 2-12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Security Messages 2-81 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Security System 2-18 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .