brake sensor BUICK LACROSSE 2005 Owner's Manual

<(Parking Lamps):Turn the control to this
position to turn on the parking lamps together with
the following:
Taillamps
License Plate Lamps
Sidemarker Lamps
Instrument Panel Lights
2(Headlamps):Turn the control to this position to
turn your headlamps on, together with the previously
listed lamps and lights.
A warning chime will sound if the driver’s door is
opened when the ignition switch is turned to OFF or
ACCESSORY and the headlamps are on.
-(Foglamps):Press this button to turn the
foglamps on and off. SeeFog Lamps on page 3-15
for additional information.
Daytime Running Lamps
(DRL)/Automatic Headlamp System
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. Daytime running
lamps are required to function at all times on all vehicles
rst sold in Canada.
A light sensor on top of the instrument panel makes the
DRL work, so be sure it is not covered.
The DRL system will make the low-beam headlamps
come on at reduced brightness when the following
conditions are met:
The ignition is on.
The exterior lamps control is off.
The parking brake is released.
While the DRL are on, only the vehicle’s low-beam
headlamps will be on at reduced brightness. The turn
signal, taillamps, sidemarker and other lamps will not be
on. The instrument panel will not be lit up either.
When it is dark enough outside, the DRL will turn off
and the vehicle’s headlamps and parking lamps will turn
on. The other lamps that come on with the headlamps
will also come on.
3-14

If the URPA system is not functioning properly, the
display will ash red, indicating that there is a problem.
The light will also ash red while driving if a trailer is
attached to your vehicle, or a bicycle or object is on the
back of, or hanging out of your trunk. The light will
continue to ash until the trailer or the object is
removed and your vehicle is driven forward at least
15 mph (25 km/h).
It may also ash 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 materials such as
paint or the system may not work properly. If after
cleaning the rear bumper and driving forward at least
15 mph (25 km/h), the display continues to ash red, see
your GM dealer. For cleaning instructions, seeWashing
Your Vehicle on page 5-81.
It may also ash 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.Accessory Power Outlets
The accessory power outlets enable power electrical
equipment such as a cellular telephone or a CB radio to
be used inside the vehicle.
Your vehicle is equipped with 12-volt outlets. One outlet
is located on the center console below the climate
controls. There may be another outlet located inside the
center storage console or in the ip and fold console.
Open the cover to use the outlet. Be sure to close
the cover when the outlet is not in use.
Notice:Adding any electrical equipment to your
vehicle may damage it or keep other components
from working as they should. The repairs would not
be covered by your warranty. Check with your
dealer before adding electrical equipment.
Certain power accessory plugs may not be compatible
to the power accessory outlet and could result in
blown vehicle or adapter fuses. If you experience a
problem, see your dealer.
3-20

SERVICE BRAKE APPLY SENSOR
This message will come on when the brake apply
sensor is not functioning properly. The vehicle still has
brakes when this warning message displays, but you
should have the vehicle serviced by your GM dealer as
soon as possible.
This message will display only while the ignition is in
RUN. A chime will sound for two seconds while this
message is displayed. Press any of the DIC buttons
to acknowledge this message and to clear it from
the screen.
This message will continue to display if it has not been
acknowledged when the engine is turned off. It will
also re-display for two seconds if the message has been
acknowledged, but the condition still exists when the
engine is turned off.
If the condition still exists, the message will re-appear
when the engine is turned on.
SERVICE BRAKE SYSTEM
This message will display when a problem with the
brake system has been detected. Have your vehicle
serviced by your GM dealer as soon as possible.
The brake system warning light will also appear on the
instrument panel cluster when this message appears
on the DIC. SeeBrake System Warning Light on
page 3-36.This message will only display while the ignition is in
RUN. Press any of the DIC buttons to acknowledge this
message and to clear it from the screen.
This message will continue to display for two seconds if
it has not been acknowledged when the engine is
turned off. It will also re-display for two seconds if the
message has been acknowledged, but the condition still
exists when the engine is turned off.
If the condition still exists, the message will re-appear
when the engine is turned on.
SERVICE PARK LAMPS
This message will display when there is a problem with
the park lamps. Check to see if the park lamp fuse
is blown and replace the fuse if necessary. SeeFuses
and Circuit Breakers on page 5-88andInstrument
Panel Fuse Block on page 5-88for more information. If
changing the fuse does not correct the problem, see
your GM dealer.
This message will only display while the ignition is in
RUN. Press any of the DIC buttons to acknowledge this
message and to clear it from the screen.
This message will continue to display for two seconds if
it has not been acknowledged when the engine is
turned off. It will also re-display for two seconds if the
message has been acknowledged, but the condition still
exists when the engine is turned off.
If the condition still exists, the message will re-appear
when the engine is turned on.
3-66

Underhood Fuse Block
Some fuses and relays are located in the underhood
fuse block on the passenger’s side of the vehicle in the
engine compartment. SeeEngine Compartment
Overview on page 5-12for more information on location.
Mini-Fuses Usage
1 Left High Beam
2 Right High Beam
Mini-Fuses Usage
3 Left Low Beam
4 Right Low Beam
5 Windshield Wiper
6 Washer/Regulated Voltage Control
7 Fog Lamps
8 Transaxle Control Module
9 Supplemental Inatable Restraint
10 Auxiliary Power
11 Horn
12 Emission
13 Air Conditioner Clutch
14 Oxygen Sensor
15 Powertrain Control Module
16Powetrain Control Module,
Electronic Throttle Control
17 Electronic Throttle Control
18 Display
19 Anti-lock Brake Solenoid
20 Fuel Injector
21 Transmission Solenoid
22 Fuel Pump
23 Anti-lock Brake System
24 Ignition
5-90