alternator belt BMW 330Ci COUPE 2003 E46 Owner's Manual

18

Indicator and warning lamps

Technology that monitors itself

Indicator and warning lamps that are
identified by

●

are tested for proper
functioning whenever the ignition key is
turned. They each light up once for dif-
ferent periods of time.
If a fault should occur in one of these
systems, the corresponding lamp does
not go out after the engine is started, or
it lights up while the vehicle is moving.
You will see how to react to this below.

Red: stop immediately

Battery charge current

●

The battery is no longer being
charged. Indicates a defective
alternator drive belt or a problem with
the alternator's charge circuit. Please
contact the nearest BMW center.
If the drive belt is defective, stop
and switch off the engine immedi-
ately to prevent overheating and seri-
ous engine damage. If the drive belt is
defective, increased steering effort is
also required.

<

Engine oil pressure

●

Stop the vehicle immediately
and switch off engine. Check
the engine oil level and top off as
required. If the oil level is correct,
please contact the nearest BMW cen-
ter.
Do not continue driving, as the
engine could sustain serious dam-
age from inadequate lubrication.

<

Brake warning lamp

●

If the lamp comes on when the
parking brake is not engaged:
check the brake fluid level. Before driv-
ing further, be sure to comply with the
instructions on pages 110 and 123.
Parking brake warning lamp for
Canadian models.
Tire Pressure Monitor (TPM)/Flat
Tire Monitor

●

In addition, an acoustic signal is
sounded: a tire failure has occurred.
Reduce vehicle speed immediately to
stop the vehicle. Avoid hard brake
applications. As you steer the vehicle,
use caution and avoid overcorrecting.
For additional information: refer to
pages 81, 82

Red and yellow: continue driving
cautiously

The brake warning lamp comes
on together with the yellow indi-
cator lamps for ABS

●

and
ASC+T/DSC:
The entire ABS, CBC,
ASC+T/DSC and ADB control
system has failed. Continue
driving cautiously and defen-
sively. Avoid hard brake applications.
Please have the system checked by
your BMW center as soon as possible.
Additional information beginning on
page 77
CBC, ABS and ASC+T/DSC and
ADB/DBC indicator and warning
lamps for Canadian models.

Red: an important reminder

Brake warning lamp
Comes on when the parking
brake is applied – an additional
acoustic signal sounds when starting
off.
For additional information: refer to
page 61

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