1999 PONTIAC BONNEVILLE Owners Manual

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2-45 Twilight Sentinel
Push in the headlamp switch
to turn your headlamps off.
Turn the twilight sentinel
knob located behind the
headlamp switch
toward MAX.
At night, you can turn off all exterior lamps when you
are in PARK (P) by turning the twilight sentinel knob all
the way to MIN. If it was on MIN, turn the knob
clockwise to turn it on, then back to MIN. The lamps
will come back on when you turn the knob
toward MAX.Twilight sentinel will keep your headlamps on for up
to three minutes, to light your way when you leave
your vehicle.
To operate twilight sentinel, turn the knob to MAX
for the three minute delay. Turn it the other way to
reduce the delay. Turn the knob to MIN to turn twilight
sentinel off.
Also, it's possible that your headlamps may go out if
you drive from a dark area into a bright area like a
lighted parking lot. If this happens, turn on your
headlamps with the regular headlamp switch.

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Interior Lamps
Instrument Panel/Brightness Control
You can brighten or dim your instrument cluster lights
by turning the headlamp knob. Turn the knob clockwise
to brighten the instrument cluster lights and displays.
Turn the knob clockwise all the way to turn on the
interior courtesy lamps. Turn the knob counterclockwise
to dim the instrument cluster lights and displays and to
turn off the courtesy lamps.
Illuminated Entry (Option)
When you press the UNLOCK button on the optional
remote keyless entry transmitter, the lamps inside your
vehicle will go on. These lamps will go off after about
25 seconds, or when you start your engine. Pressing the
LOCK button on your remote keyless entry transmitter
will turn the lights immediately off.
If a door is left ajar, your interior lamps will turn off
after 10 minutes to save your battery.
Delayed Illumination
When you open the door to enter your vehicle, the
interior lamps will come on. When you close the door
with the ignition off, the interior lamps will stay on for
25 seconds or until the ignition is turned on. Please note
that locking the doors with the power door lock switch
will override the delayed illumination feature and the
lamps will turn off right away.
Theater Dimming
This feature allows for a three to five-second fade out of
the courtesy lamps instead of immediate turn off.
Exit Lighting
With this feature, the interior lamps will come on for 25
seconds after you remove the key from the ignition. This
will give you time to find the door pull handle or lock
switches as you exit the vehicle.

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2-47 Front Reading Lamps
These front reading lamps
and the interior courtesy
lamps will come on when
you open the doors.
To turn on a reading lamp when the doors are closed,
press either switch. Press it again to turn the lamp off.
To avoid draining your vehicle's battery, be sure to turn
off the reading lamps when leaving your vehicle.
Rear Reading Lamps
These overhead lamps and
the interior courtesy lamps
will come on when you
open the doors.
To turn on the reading lamp when the door is closed,
slide the switch up. Slide it down to turn off the lamp.
Inadvertent Load Protection
This feature automatically shuts off the interior lamps if
any are left on for more than 10 minutes when the
ignition is off or a door is left open. This will keep your
battery from running down.

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Mirrors
Inside Day/Night Manual Rearview Mirror
When you are sitting in a comfortable driving position,
adjust the mirror so you can see clearly behind your
vehicle. Grip the mirror in the center to move it up or
down and side to side. The day/night adjustment allows
you to adjust the mirror to avoid glare from the lamps
behind you. Push the tab away from you for daytime
use; pull it toward you for night use.
Electrochromic Day/Night Rearview Mirror
(If Equipped)
Your vehicle may have an automatic electrochromic
day/night rearview mirror.

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When this feature is turned on, the mirror automatically
changes to reduce glare from headlamps behind you. A
photocell on the mirror senses when it is becoming dark
outside. Another photocell built into the mirror face
senses when headlamps are behind you.
At night, when the glare is too high, the mirror will
gradually darken to reduce glare (this change may take a
few seconds). The mirror will return to its clear daytime
state when the glare is reduced.
Mirror Operation
To turn on the automatic dimming feature, press
AUTO. To turn off automatic dimming, press OFF.
The green indicator light will be illuminated when this
feature is active.Time Delay
The automatic mirror has a time delay feature which
prevents unnecessary switching from the night back to
the day position. This delay prevents rapid changing of
the mirror as you drive under lights and through traffic.
Cleaning the Photocells
Use a cotton swab and glass cleaner to clean the
photocells when necessary.
Manual Remote Control Mirror
The outside rearview mirror should be adjusted so you
can just see the side of your vehicle when you are sitting
in a comfortable driving position.
Adjust the driver's side outside mirror with the control
lever on the driver's door.
To adjust your passenger's side mirror, sit in the driver's
seat and have a passenger adjust the mirror for you.

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2-50 Power Remote Control Mirrors (Option)
A control lever on the
driver's door controls both
outside rearview mirrors.
Turn the lever counterclockwise to select the driver's
side rearview mirror, or clockwise to select the
passenger's side rearview mirror. Then push the lever in
the direction of the desired movement to adjust each
mirror so that you can see the side of the vehicle when
you are sitting in a comfortable driving position.
Convex Outside Mirror
Your passenger's side mirror is convex. A convex
mirror's surface is curved so you can see more from the
driver's seat.
CAUTION:
A convex mirror can make things (like other
vehicles) look farther away than they really are.
If you cut too sharply into the right lane, you
could hit a vehicle on your right. Check your
inside mirror or glance over your shoulder before
changing lanes.

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Storage Compartments
Glove Box
Use the door key to lock and unlock the glove box. To
open, lift the latch release on the left side of the glove
box door.
Overhead Console (Option)
Sunglasses Storage Compartment (Option)
Some models have a storage
compartment for glasses in
the overhead console.
Press the release button to lower the door. Place your
glasses inside the door. To close the door, raise it and
press it into position.
Door Cupholder
The front doors provide space for holding a cup or a
soft drink.
Card Holder (Option)
The front doors on some vehicles have a card holder for
convenient storage of business cards or parking lot ticket
stubs. The card holder has space for up to five regular
business cards.

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2-52 Center Console (Option)
Press the button at the front edge of the armrest to open
the storage area for cassette tapes, gloves, etc. A
cupholder flips forward for use.
Rear Storage Compartment
Your vehicle has a rear storage armrest with cupholders
and a pass
-through feature.
Lift the front of the cover on the armrest to reveal the
storage space.
Pull down the interior door to access the trunk.