1999 CADILLAC DEVILLE rear view mirror

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If the headlamps are on low beam, they will shift to
high beam and stay there. Pull the lever toward you
to return to low beam.

If the headlamps are on high beam, they will switch
to low beam. To return to high beam, pull the lever
toward you.
Windshield Wipers
WIPER: Turn the band on the turn signal lever to
control the wipers.
MIST: Turn the band toward you and then release it for
a single wiping cycle. For more cycles, hold the band on
MIST longer.LO or HI: Turn the band away from you to either LO
(low speed) or to HI (high speed), depending on the
wiper speed you want.
DELAY: You can set the wiper speed for a long or short
delay between wipes with this setting. Turn the band to
the DELAY position. The closer you move it to LO, the
shorter the delay. (DeVille Only)
OFF: Turn the band to OFF to turn off the wipers.
Be sure to clear ice and snow from the wiper blades
before using them. If they're frozen to the windshield,
carefully loosen or thaw them. If the blades do become
damaged, get new blades or blade inserts.
Heavy snow or ice can overload the wiper motor. A
circuit breaker will stop the motor until it cools. Clear
away snow or ice to prevent an overload.
Rainsense Wipers (DeVille d'Elegance
and DeVille Concours Only)
This moisture sensor is mounted on the passenger's
interior side of the windshield behind the rearview
mirror and is used to automatically operate the wipers
by monitoring the amount of moisture that is on
the windshield.

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Mirrors
Electrochromic Day/Night Rearview Mirror
with Compass
Your vehicle has an electrochromic inside rearview
mirror with a compass.
When set in the MIRROR position, this mirror
automatically changes to reduce glare from headlamps
behind you.
The mirror also includes an eight
-point compass
display in the upper right corner of the mirror face.
When on, the compass automatically calibrates as the
vehicle is driven.When cleaning the mirror, use a paper towel or similar
material dampened with glass cleaner. Do not spray
glass cleaner directly on the mirror as that may cause the
liquid cleaner to enter the mirror housing.
Mirror Operation
The right side of the button, located at the bottom of the
mirror, turns the electrochromic mirror on and off. To
turn on the automatic dimming feature, press MIRROR.
To turn off automatic dimming, press MIRROR again.
The green indicator light will be illuminated when this
feature is active.

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2-51
4. Press the COMPASS button on the bottom of the
mirror until the new zone number appears in the
display. After you stop pressing the button, the
display will show a ªCº in the direction display
within a few seconds. (This is the automatic calibration
mode
-- you'll need to drive in a circle to calibrate the
mirror. See ªCompass Calibrationº following.)
Power Remote Control Mirror (Heated)
The control on the
driver's door armrest
operates both outside
rearview mirrors. Rotate
the control knob to choose
the right or left mirror.
To adjust the mirror, push the control knob in the
direction you want the mirror to go. Adjust each mirror
so you can see the side of your vehicle and the area
behind your vehicle.
When you operate the rear window defogger, it also
warms both outside mirrors to help clear them of fog
or ice.
The mirrors can also be programmed for personalization
if you have the optional memory package. For more
information, see ªMemory Seat and Mirrorsº in
the Index.

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2-52 Driver's Outside Auto-Dimming
Rearview Mirror
Only the driver's side outside mirror will adjust for the
glare of headlamps behind you. This feature is
controlled by the on and off settings on the
electrochromic mirror. See ªElectrochromic Day/Night
Rearview Mirror with Compassº in the Index.
Curb View Assist Mirror (If Equipped)
If your vehicle is equipped with memory mirrors, it will
also be equipped with the curb view assist mirror
feature. This feature will cause the passenger's mirror to
tilt to a preselected position programmed through the
Driver Information Center when the vehicle is in
REVERSE (R). This feature may be useful in allowing
you to view the curb when you are parallel parking.
When the vehicle is shifted out of REVERSE (R) and a
five
-second delay has occurred, the passenger's mirror
will return to its original position.
If further adjustment is needed after the mirror is tilted,
the mirror switch may be used.
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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3-11
With the digital cluster climate control panel, press the
DEFOG button and adjust the fan speed by pressing the
fan button up or down. If you use DEFROST, adjust the
fan speed the same way. If you select DEFROST from
AUTO, the system will control the fan speed. The
temperature will also need to be adjusted to your comfort
level. Press the blue button to decrease the temperature
and the red button to increase the temperature.
If your vehicle has a console climate control panel
(which is standard with the analog cluster), press the
MODE button to select DEFROST. Adjust the fan speed
by pressing the fan button up or down. If you select
DEFROST from AUTO, the system will control the fan
speed. The temperature also needs to be adjusted by
turning the TEMP/AUTO knob.
Note that recirculation is not available in the defrost
or defog modes.Rear Window Defogger
The lines you see on the
rear window warm the
glass. Press this button to
turn on the rear defogger.
With it, the rear window
and both outside rearview
mirrors are heated.
The system will automatically shut off after 10 minutes.
If further defogging is desired, press the button again.
Do not attach a temporary vehicle license, tape or decals
across the defogger grid on the rear window.
NOTICE:
Don't use a razor blade or something else sharp
on the inside of the rear window. If you do, you
could cut or damage the warming grid or the
integrated rear window antenna, and the repairs
wouldn't be covered by your warranty.

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4-23
Highway Hypnosis
Is there actually such a condition as ªhighway hypnosisº?
Or is it just plain falling asleep at the wheel? Call it
highway hypnosis, lack of awareness, or whatever.
There is something about an easy stretch of road with
the same scenery, along with the hum of the tires on the
road, the drone of the engine, and the rush of the wind
against the vehicle that can make you sleepy. Don't let it
happen to you! If it does, your vehicle can leave the
road in less than a second, and you could crash and
be injured.
What can you do about highway hypnosis? First, be
aware that it can happen.
Then here are some tips:

Make sure your vehicle is well ventilated, with a
comfortably cool interior.

Keep your eyes moving. Scan the road ahead and to
the sides. Check your rearview mirrors and your
instruments frequently.

If you get sleepy, pull off the road into a rest, service
or parking area and take a nap, get some exercise, or
both. For safety, treat drowsiness on the highway as
an emergency.
Hill and Mountain Roads
Driving on steep hills or mountains is different from
driving in flat or rolling terrain.

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Fuse Usage
HDLPS Headlamp Relay, High/Low Beam
Control Relay, Right and Left
Low/High Beam Fuses
HAZARD Electronic Flasher Module,
Turn/Hazard Switch, Right and
Left Front Turn Lamps, Right and
Left Rear Turn Lamps, Right and
Left Repeater Lamps
(Export), Cluster
STOP Stoplamp Switch, Turn Hazard
Switch, Anti
-Lock Brake System
(ABS) Controller, Stepper Motor
Cruise Control, Right and
Left Rear Stoplamps (Export),
Center High
-Mounted Stoplamp
MIRROR Inadvertent Power Relay, Left
Outside Rearview Mirror Switch,
ALDL, Memory Mirror Module
(Optional), Dimmer Switch, Cluster
DRL Daytime Running Lamp (DRL)
Relay, Left and Right Low Beam in
DRL Mode, DRL ResistorFuse Usage
IGN 0 (ENG) Powertrain Control Module (PCM)
SPARE Not Used
ABS Anti
-Lock Brake System
(ABS)/Traction Control System
IGN
-1 Rear Ignition-1 Relay, Fog Lamp
Relay (DeVille Concours Only),
Controlled Power Backup Relay,
DRL Relay, Ignition Switch in
Steering Column, Injectors,
ECS Fuse, PCM Fuse, DIS Fuse,
Injector Fuses
WIPERS Accessory Relay, Wiper Switch
A/C COMP AC Compressor Relay, Cooling Fan
Relays 1, 2, 3, Compressor Clutch
PCM (BAT) Powertrain Control Module (PCM)
PARK/REV Reverse Relay, Right and Left
Back
-Up Lamps, Electrochromic
Mirror (in Header), Park Relay,
Brake Transaxle
-Shift Interlock
(BTSI) Switch, BTSI

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8-3
Checking Engine Oil 6-12 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Checking Things Under the Hood 6-8 . . . . . . . . . . . . . . . . . . .
Checking Your Restraint Systems 1-53 . . . . . . . . . . . . . . . . . .
Chemical Paint Spotting 6-56 . . . . . . . . . . . . . . . . . . . . . . . . . .
Child Restraints 1-37 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Securing in a Rear Outside Seat Position 1-43 . . . . . . . . . . .
Securing in the Center Rear Seat Position 1-45 . . . . . . . . . .
Securing in the Right Front Seat Position 1-47 . . . . . . . . . .
Top Strap 1-42 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Where to Put 1-41 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CHMSL 6-39 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Chrome-Plated Wheels, Cleaning 6-55 . . . . . . . . . . . . . . . . . .
Cigarette Lighter 2-55 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Circuit Breakers and Fuses 6-63 . . . . . . . . . . . . . . . . . . . . . . .
City Driving 4-20 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cleaning
Aluminum or Chrome
-Plated Wheels 6-55 . . . . . . . . . . . . .
Exterior Lamps/Lenses 6-54 . . . . . . . . . . . . . . . . . . . . . . . .
Fabric/Carpet 6-51 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Glass Surfaces 6-53 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Inside of Your Vehicle 6-51 . . . . . . . . . . . . . . . . . . . . . . . . .
Instrument Panel 6-52 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Interior Plastic Components 6-52 . . . . . . . . . . . . . . . . . . . . .
Leather 6-52 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Outside of the Windshield and Wiper Blades 6-53 . . . . . . .
Outside of Your Vehicle 6-54 . . . . . . . . . . . . . . . . . . . . . . . .
Speaker Covers 6-52 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Tires 6-55 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Vinyl 6-52 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Wheels 6-55 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Wood Panels 6-52 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Climate Control
Personalization 3
-13 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Steering Wheel Controls 3-13 . . . . . . . . . . . . . . . . . . . . . . .
System 3-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Clock, Setting the 3-14 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Coinholder (Front Storage Area) 2-53 . . . . . . . . . . . . . . . . . . .
Comfort Controls 3-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Comfort Controls and Radio System Personalization 2-94 . . .
Compact Disc Care 3-40 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Compact Disc Player Care 3-40 . . . . . . . . . . . . . . . . . . . . . . . .
Compact Disc Players 3-21, 3-30 . . . . . . . . . . . . . . . . . . . . . .
Compact Spare Tire 5-29 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Compartments, Storage 2-53 . . . . . . . . . . . . . . . . . . . . . . . . . .
Compass, Rearview Mirror with 2-49 . . . . . . . . . . . . . . . . . . .
Console Shift Lever 2-30 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Continual Variable Road Sensing Suspension 2-95 . . . . . . . . .
Control of a Vehicle 4-6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Control System, Traction 4-9 . . . . . . . . . . . . . . . . . . . . . . . . . .
Convenience Net 2-54 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Convex Outside Mirror 2-52 . . . . . . . . . . . . . . . . . . . . . . . . . .
Coolant 6-23 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Heater, Engine 2-21 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Surge Tank 5-11 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cooling System 5-11 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cornering Lamps 2-45 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Courtesy Lamps 2-47 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Courtesy Transportation 7-8 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cruise Control 2-39 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cruise Engaged Message 2-84 . . . . . . . . . . . . . . . . . . . . . . . . .
Cupholders (in Storage Areas) 2-53, 2-54 . . . . . . . . . . . . . . . .
Curb View Assist Mirror 2-52, 2-93 . . . . . . . . . . . . . . . . . . . .