sensor BUICK PARK AVENUE 2001 Owner's Manual

2-38
Windshield Wipers
You control the windshield wipers by turning the band
marked WIPER.
For a single wiping cycle, turn the band to MIST. Hold
it there until the wipers start, then let go. The wipers will
stop after one cycle. If you want more cycles, hold the
band on MIST longer.
Use the delay position to set the wiper speed 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
between wipes.
For steady wiping at low speed, turn the band away
from you to the LO position. For high
-speed wiping,
turn the band further, to HI. To stop the wipers, turn the
band to OFF.
Remember 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 they're frozen to the windshield, carefully
loosen or thaw them. If your blades become damaged, get
new blades or blade inserts.
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.
Rainsense
II Wipers (If Equipped)
The moisture sensor is mounted on the interior of the
windshield below the rearview mirror and is used to
automatically operate the wipers. This system operates
by monitoring the amount of moisture build
-up on the
windshield. Wipes occur as needed to clear the
windshield depending on the driving conditions and the
sensitivity setting. In light rain or snow, fewer wipes
will occur. In heavy rain or snow, wipes will occur more
frequently. The system will operate in the delay, low
speed and high speed modes. If the system is left on for
long periods of time, occasional wipes may occur
without any moisture on the windshield. This is normal
and indicates that the Rainsense system is active.
The Rainsense system is activated by turning the wiper
control band to one of the five sensitivity levels within
the delay area. The delay position closest to OFF/MIST
is the lowest sensitivity setting, level one. This allows
more rain or snow to collect on the windshield between
wipes. You can increase the sensitivity of the system and
the frequency of wipes by turning the wiper control
band away from you to the higher sensitivity levels.
The highest sensitivity setting, level five, is closest to
the LO position. A single wipe will occur each time you
turn the wiper control band to a higher sensitivity level
to indicate that the sensitivity level has been increased.

2-39
The windshield wipers also remain in a ªhigh parkº
position (the wipers are stopped on the windshield and
are not in the normal park position), even when the
ignition is turned off.
NOTICE:
Turn the wiper band to OFF to avoid wiper
damage when going through an automatic
car wash.
The MIST and wash cycles operate as normal and are
not affected by the moisture
-sensing function. The
system can be overridden at any time by manually
turning the wiper band to LO or HI speed.
NOTICE:
Do not place stickers or other items on the
exterior glass surface directly in front of the
moisture sensor. Doing this could cause the
moisture sensor to malfunction.
Windshield Washer
At the top of the multifunction lever there is a paddle
with the word PUSH on it. For ªprogrammedº
operation, press and release the paddle. The washer will
provide a measured amount of fluid to the windshield
and the wiper will either stop or return to your original
wiping speed. For ªdemandº operation, press and hold
the paddle for at least two seconds. Release the paddle
when you have enough fluid and the wipers will either
stop or return to your original wiping speed.
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.
If your vehicle is equipped with a DIC, a WINDSHIELD
WASHER FLUID LOW message will appear on the
display when the vehicle is low on washer fluid.

2-44
Daytime Running Lamps
Daytime Running Lamps (DRL) can make it easier for
others to see the front of your vehicle during the day.
DRL can be helpful in many different driving
conditions, but they can be especially helpful in the
short periods after dawn and before sunset. Fully
functional daytime running lights are required on all
vehicles first sold in Canada.
A light sensor on top of the instrument panel monitors
the exterior light level for the operation of DRL and
Twilight Sentinel

, so be sure it isn't covered.
The DRL system will make your high
-beam headlamps
come on at reduced brightness in daylight when the
following conditions are met:

The ignition is on,

The headlamp switch is off, and

The transaxle is not in PARK (P).
When DRL are on, only your high
-beam headlamps will
be on. The parking lamps, taillamps, sidemarker and
other lamps won't be on. Your instrument panel won't
be lit up either.When it's dark enough outside, your high
-beam
headlamps will change to low
-beam headlamps at full
brightness. The other lamps that turn on with your
headlamps will also turn on. When it's bright enough
outside, the regular lamps will turn off, and your
high
-beam headlamps change to the reduced brightness
of DRL.
To idle your vehicle with the DRL off, shift the
transaxle into PARK (P). The DRL will stay off until
you shift out of PARK (P).
To turn off all exterior lighting at night when you are
parked, turn off the headlamps and slide the Twilight
Sentinel control all the way to the left When released,
the control will return to the Twilight Sentinel minimum
delay position and the lights will turn off.
As with any vehicle, you should turn on the regular
headlamp system when you need it.
Cornering Lamps
The cornering lamps are designed to come on when you
signal a turn. This will provide more light for cornering
at night.

2-45 Twilight Sentinel


Twilight Sentinel turns your
headlamps on and off by
sensing how dark it
is outside.
To operate this feature, slide the control to any position
to vary the lamp timeout.
If you move the control all the way to MAX, your lamps
will remain on for three minutes after you turn off your
engine. If you move the control almost all the way in the
other direction, so it's just on, the lamps will go off
quickly when you turn off your engine. You can set this
delay time from only a few seconds to three minutes.
Light Sensor
Your Twilight Sentinel and Daytime Running Lamps
work with the light sensor on top of the instrument
panel. Don't cover it up. If you do, it will sense ªdarkº
and the headlamps will come on.
Interior Lamps
Instrument Panel Intensity Control
Instrument panel light brightness can be adjusted
by turning the headlamp knob counterclockwise
and clockwise.
Courtesy Lamps
When any door is opened, several lamps go on. They
make it easy for you to enter and leave the car. You can
also turn these lamps on by turning the headlamp knob
clockwise all the way past the normal stop.
Illuminated Entry System
When you open either front door or press the button
with the unlock symbol on the remote keyless entry
transmitter, the lamps inside your vehicle will turn on.
These lamps will turn off after about 40 seconds. These
lamps will also turn off if you start the engine or activate
the power door locks.

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Delayed Entry Lighting
When you open the door, 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 to an on position. Locking the doors
with the power door lock switch will override the
delayed entry lighting feature and the lamps will turn
off right away.
Using the remote keyless entry transmitter to lock the
door will not cancel delayed lighting.
Theater Dimming
This feature allows for a three to five-second fade out of
the courtesy lamps instead of immediate turn off.
Delayed 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 handle or
lock switches.
Parade Dimming
This feature prohibits the dimming of your instrument
panel displays during daylight while your headlamps are
on. This feature operates with the light sensor for the
Twilight Sentinel

and is fully automatic. When the
light sensor reads darkness outside, you will be able to
dim your instrument panel displays once again.
Perimeter Lighting
When the button with the unlock symbol on the remote
keyless entry transmitter is pressed, the daytime running
lamps, parking lamps and back
-up lamps will come on
if it is dark enough outside.
This feature will only be activated when the security
feedback feature is programmed to be in Modes 1, 3 or
5 on the transmitter. Modes 0, 2 and 4 do not respond
with exterior lights flashing when unlocking the vehicle
so perimeter lighting will not be active.
This feature can be programmed on or off for
each transmitter.

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Air Bag Readiness Light
There is an air bag readiness light on the instrument
panel, which shows AIR BAG. The system checks the
air bag's electrical system for malfunctions. The light
tells you if there is an electrical problem. The system
check includes the air bag sensors, the air bag modules,
the wiring and the crash sensing and diagnostic module.
For more information on the air bag system, see
ªAir Bagº in the Index.
This light will come on
when you start your vehicle,
and it will flash for a few
seconds. Then the light
should go out. This means
the system is ready.
If the air bag readiness light stays on after you start the
vehicle or comes on when you are driving, your air bag
system may not work properly. Have your vehicle
serviced right away.
CAUTION:
If the air bag readiness light stays on after you
start your vehicle, it means the air bag system
may not be working properly. The air bags in
your vehicle may not inflate in a crash, or they
could even inflate without a crash. To help avoid
injury to yourself or others, have your vehicle
serviced right away if the air bag readiness light
stays on after you start your vehicle.
The air bag readiness light should flash for a few
seconds when you turn the ignition key to RUN. If the
light doesn't come on then, have it fixed so it will be
ready to warn you if there is a problem.

2-99 If You Can't See The HUD Image When the
Ignition is On
If the ignition is on and you can't see the HUD image,
check to see if:

The headlamps are on.

Something is covering the HUD unit.

The HUD dimmer control is adjusted properly.

The HUD image is adjusted to the proper height.

A fuse is blown. See ªFuses and Circuit Breakersº in
the Index.
Keep in mind that your windshield is part of the
HUD system. If you ever have to have your windshield
replaced, be sure to get one that is designed for HUD or
your HUD image may look blurred or out of focus.
Ultrasonic Rear Parking
Assist (URPA) (Option)
Ultrasonic rear parking assist can help you to determine
how close an object is to your rear bumper within a
given area, making parking easier.
The URPA display is located inside the vehicle, above
the rear window. It has three color
-coded lights that can
be seen through the rearview mirror.
How the System Works
Ultrasonic rear parking assist comes on automatically
when the shift lever is moved into REVERSE (R) and
the vehicle speed is less than 3 mph (5 km/h). When the
system comes on, the three lights on the display will
illuminate to let you know that the system is working.
URPA senses how close your vehicle is to an object. The
distance is determined by the four rear sensors located
on the bumper. When shifting into REVERSE (R) and
an object is detected, one of the following will occur:

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A chime will sound the first time an object is
detected, if the object is between 20 inches (0.5 m) and
5 feet (1.5 m) away.
URPA can detect objects 3 inches (7.6 cm) and wider,
and at least 10 inches (2.5 cm) tall, but cannot detect
objects that are above trunk level. In order for the rear
sensors to recognize an object, it must be within
operating range.
If the URPA system is not functioning properly, the
display will flash red, indicating that there is a problem.
The light will also flash red when you are driving if a
trailer is attached to your vehicle, or if you have a
bicycle or an object hanging out of your trunk. The light
will continue to flash until the trailer or the object is
removed and your vehicle is driven forward at least
15 mph (25 km/h). It may also flash red if the ultrasonic sensors are not
kept clean. So be sure to keep your rear bumper free of
mud, dirt, snow, ice and slush or the system may not
work properly. If after cleaning the rear bumper and
then driving at least 15 mph (25 km/h), the display
continues to flash red, see your dealer. It may also flash
red if your vehicle is moving in REVERSE (R) at a
speed greater than 3 mph (5 km/h). Other conditions that
may affect system performance include things like, the
vibrations from a jackhammer or the compression of
airbrakes on a very large truck.
As always, drivers should use care when backing up a
vehicle. Always look behind you, being sure to check for
other vehicles, obstructions and blind spots. For cleaning
instructions, see ªCleaning Your Vehicleº in the Index.

3-3
During stops, when driving slow, or when the engine is
first started after a short trip, the outside temperature
reading can be affected by road or engine heat. Also,
starting the engine within a short time after the vehicle
has been running will affect the reading. To ensure
proper automatic climate control operation, the outside
temperature display may not update as quickly
as expected.
Sun and temperature sensors automatically adjust the air
temperature, the airflow direction and the fan speed to
maintain your comfort setting. The system may supply
cooler air to the side toward the sun. Be careful not to
put anything over the sensors on top of the dash.
Temperature Button
To adjust the comfort level you want maintained inside
the vehicle, push the TEMP button. If you want a
warmer comfort level, push the red arrow. If you want a
cooler comfort level, push the blue arrow. Your comfort
setting is shown in the display.Fan Button
The speed of the blower fan is controlled automatically
if you have the system set for AUTO. Pressing the
FAN button will display and hold the current blower
fan setting.
If you want the blower fan to run at a lower speed, push
the bottom of the FAN button. The fan speed will
decrease with every push of the button until the lowest
speed is reached. If you want to increase the fan speed,
push the top of the FAN button. Notice the fan
indicators on the display.
Mode Controls
Press the AIR FLOW button to deliver air through the
floor, middle or windshield outlets. The system will stay
in the selected mode until the AUTO button is pushed.
Press the up or down arrow on the AIR FLOW button
to cycle through the available modes.

6-67
Instrument Panel Fuse Block and Bussed Electrical
Center (BEC)
The instrument panel fuse block and BEC are located
on the passenger's side of the vehicle, under the
instrument panel.
Remove the hush panel on the passenger's side to reveal
the fuses. To remove the panel, do the following:
1. Remove the two 7 mm screws located along the front
edge of the panel.
2. Lower the hush panel.
3. Remove the cover. Now you can see the fuses and
replace them.
4. Place the wide end of the fuse puller over the plastic
end of the fuse.
5. Squeeze the ends over the fuse and pull it out.
When finished, reinstall the hush panel. Reinstall lamps,
connectors, and HVAC duct temperature sensors if they
were removed.Instrument Panel Fuse Block
Fuse Usage
SBM Interior Lamps
PDM PDM Module
A/C HVAC Motor, HVAC Mix Motors