2001 BMW 540I SEDAN warning

24n
Indicator and warning lamps
Automatic Stability Control plus
Traction (ASC+T)/Dynamic Sta-
bility Control (DSC)
* l
The ASC+T/DSC has been switched off
or has been deactivated because of a
malfunction. In the event of a malfunc-
tion, have the system checked by your
BMW center.
For additional information: refer to
page 102.
Engine electronics
*
There is a fault in the engine's
electronic control system. The
electronics allow for continued driving
with reduced engine output or rpms.
Please have the system inspected by
your BMW center.
Service Engine Soon l
If the indicator lamp comes on
either continuously or intermit-
tently, this indicates a fault in the emis-
sions-related electronic systems.
Although the vehicle remains opera-
tional, you should have the systems
checked by your BMW center at the
earliest possible opportunity.
For additional information: refer to
page 178.
Service Engine Soon warning
lamp for Canadian models.
Green: for your information
Turn signal
Flashes when the turn signals
are in operation. Rapid flashing
indicates a system malfunction.
For additional information: refer to
page 78.
Cruise control
Lights up when the cruise con-
trol is activated. Available for
operation via the multifunction steering
wheel.
For additional information: refer to
page 81.
Fog lamps
Lights up whenever you switch
on the fog lamps.
For additional information: refer to
page 106.
Blue: for your information
High beams
Lights up when the high beams
are on or the headlamp flasher
is actuated.
For additional information: refer to
pages 78 and 106.

IndexDataTechnologyRepairsCar careControlsOverview
27n
Hazard warning flashers Warning triangle
*
First-aid kit
*
The button flashes rhythmically when
the hazard warning flashers are on.
To help you locate the switch in an
emergency, the button is also illumi-
nated whenever the car's headlamps
are on.390de039
The hazard warning triangle is quickly
available, stored in the onboard tool kit
mounted on the inside of the luggage
compartment lid/tailgate.
To open the container, loosen the wing
screw.
Comply with legal requirements
which cover the availability of a
hazard warning triangle in the car.< 394de053
The first-aid kit is located under the
front passenger's seat.
To remove: lift the release lever on the
front (arrow) and pull the first-aid kit for-
ward out of its support.
To store: place the back of the kit into
the support, then push back until the le-
ver engages.
Some of the articles in the first-aid
kit may be used within a limited
time only. For this reason, check the
expiration dates of each of the items
regularly, and replace any whose expi-
ration dates have passed. You can
acquire replacements in any drugstore
or pharmacy.
Comply with legal requirements which
cover availability of a first-aid kit in your
vehicle.< 390de086

IndexDataTechnologyRepairsCar careControlsOverview
47n
Alarm systemThe conceptThe vehicle alarm system responds:
>When a door, the hood or the lug-
gage compartment lid/tailgate is
opened.
>To movement inside the vehicle
(interior motion sensor).
>To variations in the vehicle tilt sensor
such as occur during attempts to
steal the wheels or tow the vehicle.
>To interruption of battery voltage.
The system responds to unauthorized
vehicle entry and attempted theft by
simultaneously activating the following:
>Sounding an acoustical alarm for
30 seconds.
>The hazard warning flashers are
activated for approx. five minutes.
>The high beams flash on and off in
the same rhythm.
To arm and disarm the
alarm systemWhen the vehicle is locked or unlocked
with the key or the remote control, the
alarm system is also simultaneously
armed or disarmed.
The interior motion sensor is activated
approx. 30 seconds after you have fin-
ished locking the car.
The system indicates that it has been
correctly armed by switching on the
hazard flashers for a single cycle and by
emitting an acoustical signal.
You can have different acknowl-
edgment signals set to confirm
arming and disarming.<
When the system is armed, you can still
gain access to the luggage compart-
ment lid/tailgate by pressing button 3
on the remote control (refer to page 41).
When you close the luggage compart-
ment lid/tailgate, it locks again.
Indicator lamp displays>The indicator lamp below the interior
rearview mirror flashes continuously:
the system is armed.
>The indicator lamp flashes during
arming: door(s), the hood or luggage
compartment lid/tailgate are not
completely closed. Even if you do not
close the alerted area, the system
begins to monitor the remaining ar-
eas, and the indicator lamp flashes
continuously after 10 seconds. How-
ever, the interior motion sensor is not
activated.
>If the indicator lamp goes out when
the system is disarmed: no manipula-
tion or attempted intrusions have
been detected in the period since
the system was armed.390de020

64n
AirbagsDo not apply adhesive materials to the
cover panels of the airbags, cover them
or modify them in any other way.
Do not install a rear-facing child re-
straint system in the front passenger
seat of this car.
Children under 13 years of age and
children less than 5 ft (150 cm) tall
should ride only in the rear seat.
Infants or small children should never
be held on the lap of a passenger.
If your car is equipped with side airbags
in the rear passenger area, be sure that
child restraints are mounted correctly
and provided with the greatest-possible
distance between the airbags in the
side trim panels. Do not allow children
to lean out of the child's seat in the di-
rection of the side trim panels. If they
do so, serious injuries can occur if the
airbag is triggered.< At all times, occupants should sit
upright and be properly restrained
(infants and small children in appropri-
ate child restraint systems; larger chil-
dren and adults using the safety belts).
Never let an occupant's head rest near
or on a side airbag because the inflating
airbag could cause a serious or fatal in-
jury. Please note that the word "Airbag"
imprinted on the door trim panel indi-
cates the airbag's location.
Accident research shows that the
safest place for children in an automo-
bile is in the rear seat. However, a child
sitting in the rear seat and not properly
restrained may place his or her head on
or near the side airbag, if so equipped.
For example, a child – even though
belted – may fall asleep with his or her
head against the side airbag. It may be
difficult for a driver to ensure that chil-
dren in the rear seat will remain prop-
erly positioned at all times and not
place their heads on or near the side
airbag.
Therefore, we recommend that the rear
seat side airbags, if provided, be deac-
tivated if you plan to transport children
in the rear seat.
The rear seat side airbags may already
have been deactivated, either at the
time of manufacture or by a BMW cen-
ter. Labels in the rear door opening
should indicate the status of your rear
seat side airbags. If your are uncertain
of their status, or wish to have the air-
bags activated or deactivated, please
contact your BMW center.<
Even when all these guidelines are
followed, there is still a small residual
risk of injuries to the face, hands and
arms occurring from airbag deployment
in isolated instances. The ignition and
inflation noise may provoke a mild tem-
porary hearing loss in extremely sensi-
tive individuals.
Airbag warning information is also
provided on the sun visors.
For additional information concerning
the airbag system, refer to pages 176
and 206.

IndexDataTechnologyRepairsCar careControlsOverview
83n
1 OdometerYou can activate the displays shown in
the illustration with the ignition key in
position 0 by pressing the button in the
instrument cluster (arrow).
The range of available displays varies
according to your individual vehicle's
equipment.2 Trip odometerTo reset the trip odometer to zero,
press the button (arrow) with the
ignition key in position 1 or 2.390us608
3 Outside temperature displayThe outside temperature appears in the
display panel as soon as you turn the
ignition key to position 1.
You can change the units of measure
(7/6) by
1 pressing and holding down the
button (arrow) with the ignition key
in position 1
2 turning the ignition key to 0.
Refer also to page 89.
Ice warningIf the outside temperature drops to ap-
prox. +37.57 (+36), a warning signal
sounds and the display flashes briefly.
The warning is repeated whenever the
temperature climbs to at least +437
(+66) and then drops again to
+37.57 (+36).
The ice warning does not alter the
fact that surface ice can form at
temperatures above +37.57 (+36),
on bridges or shaded road surfaces, for
instance.<
Odometer, outside temperature display

IndexDataTechnologyRepairsCar careControlsOverview
85n
Coolant temperature gauge Service Interval DisplayBlueThe engine is still cold. Drive at moder-
ate engine and vehicle speeds.RedWhen you switch on the ignition, the
warning lamp
* comes on briefly to con-
firm that the system is operational.
If the the warning lamp lights up while
driving, or the message "Coolant tem-
perature" shows up in the Check Con-
trol
*, then the engine has overheated.
Switch the engine off immediately and
allow it to cool down.390de007
Between the blue and red zonesNormal operating range. It is not un-
usual for the needle to rise as far as the
edge of the red zone in response to
high outside temperatures or severe
operating conditions.
Checking coolant level: refer to
page 167.
The precise layout varies according to
the individual model version.
Green lampsThe number of illuminated lamps de-
creases as the time for your next main-
tenance visit approaches.Yellow lampThis field appears together with
OILSERVICE or INSPECTION.
Maintenance is due. Please contact
your BMW center for an appointment.Red lampThe maintenance deadline has been
passed.390us702

86n
Check ControlGraphic display
*
The following alerts or status messages
are displayed symbolically from ignition
key position 2 and up until the defects
are corrected:
1 Check headlamps
2 Add washer fluid
(goes out after approx. 1 minute)
3 Door open
4 Luggage compartment lid/tailgate
open
5 Check brake and tail lamps.
A defective center tail lamp is indica-
ted by the upper symbol
When you open the door after stopping,
a warning signal sounds without a vi-
sual indicator for:
>LIGHTS ON and
>KEY IN IGNITION LOCK.390de121
Alphanumeric display
*
Text messages are used to alert the
driver to system malfunctions when the
ignition key is turned to position 2. The
alert is accompanied by a gong.
1 Status report symbol
2 Display
3 CHECK button
Messages concerning system faults are
differentiated based on two priorities:390us111
Priority 1
These defects are immediately indi-
cated by a gong and a flashing warning
symbol 1. Simultaneous defects will be
displayed consecutively. These status
reports remain in the display until the
defects are corrected. It is not possible
to delete them by pressing the CHECK
button 3:

IndexDataTechnologyRepairsCar careControlsOverview
87n
Check Control>RELEASE PARKINGBRAKE
>COOLANT TEMPERATURE
The coolant is overheated. Stop the
vehicle immediately and switch off
the engine. Refer to pages 85
and 16 7.
>STOP!ENGINE OILPRESS
The oil pressure is too low. Stop the
vehicle immediately and switch off
the engine. Refer to page 22.
>CHECK BRAKE FLUID
Indicates that brake fluid is down to
roughly minimum level. Top up the
brake fluid at the next opportunity.
Refer to page 168. Have the source
of the brake fluid loss diagnosed and
corrected by your BMW center.
>TIRE DEFECT
*
Reduce vehicle speed immediately
and stop the vehicle. Avoid hard
brake applications. Do not oversteer.
Refer to page 104.
>SELFLEVEL SUSP.INACT
Please consult the nearest authorized
BMW center. Refer to page 148.
>SPEED LIMIT
*
Display if the programmed speed
limit has been exceeded.Priority 2
These displays appear for 20 seconds
when the ignition key is turned to posi-
tion 2. The warning symbols remain
after the message disappears. You can
display the messages again by pressing
the CHECK button 3:
>TRUNKLID OPEN
Message appears only when the
vehicle is initially set in motion.
>DOOR OPEN
This message appears after a mini-
mal defined road speed has been ex-
ceeded.
>FASTEN SEAT BELTS
*
In addition to this message, a
warning lamp with the safety belt icon
appears and an acoustical signal
sounds.
>WASHER FLUID LOW
Too low; top up fluid at the next
opportunity. Refer to page 164.
>CHECK ENGINE OIL LEV
The oil level is at the absolute mini-
mum, and therefore engine oil should
be added as soon as possible. Refer
to page 165. Until then, do not drive
more than approx. 30 miles (50 km)>CHECK FILLER CAP
Check that the filler cap is closed
correctly, refer to page 28. A loose or
missing cap will activate the message
"CHECK FILLER CAP" in the Check
Control
* or the Service Engine Soon
lamp.
>OUTSIDE TEMP. +207 (–56)
This display is only an example. The
current temperature is displayed at
outside temperatures of +37.57
(+36) and below. Refer also to
page 83.
>SET TIRE PRESSURE
*
The RDC has imported the current in-
flation pressure in the tires as the tar-
get values which the system will
monitor. Refer to page 103.
>CHECK TIRE PRESSURE
*
Check and correct the tire inflation
pressure to specifications at the earli-
est opportunity (next stop for fuel).
Refer to page 104.
>TIRECONTROL INACTIVE
*
A temporary interference of the RDC
or a system fault. Refer to page 104.
>CHECK BRAKE LIGHTS
A lamp has failed or the electrical cir-
cuit has a fault. Refer to pages 186
and 196 or consult a BMW center.