18
Telltale and warning lights
Technical equipment that
monitors itself
The function of telltale and warning
lights marked
●
is checked when the
ignition is switched on. They light up
just once, but for different lengths of
time.
If a defect occurs in one of the systems,
the corresponding light will remain on
when the engine is started or will come
on again during the journey. The correct
response to this on your part is
described below.
Red: stop immediately
Battery charge current
●
The battery is not charging.
There is a defect at the V-belt
for the alternator or in the alternator's
charging circuit. Consult the nearest
BMW Service.
If the V-belt is defective, do not
continue the journey, otherwise
the engine may overheat and be dam-
aged. A defective V-belt also means
more effort than usual is required to
turn the steering wheel.
<
Engine oil pressure
●
Stop immediately and switch off
the engine. Check engine oil
level and top up if necessary. If the oil
level is correct: consult the nearest
BMW Service.
Do not continue the journey, as
the engine may otherwise be
damaged by inadequate lubrication.
<
Brake warning light
●
Comes on even though the
handbrake has been released:
check brake fluid level. Be sure to
read the instructions on pages 115
and 127 before resuming your journey.
Tyre pressure control (RDC)
●
In addition a warning signal is
heard: the tyre is punctured or
otherwise damaged. Immediately
reduce speed ready to stop, avoiding
any pronounced braking and steering
manoeuvres while doing so.
For more information, see page 84
Red and yellow: drive on, but
exercise restraint
If the brake warning light comes
on together with the yellow tell-
tale lights for ABS
●
and ASC+T/DSC:
The complete regulating system
for ABS, CBC, ASC+T/DSC and
ADB/ADB-X/DBC has failed.
Drive with care, looking at the
traffic situation well ahead, and avoid
heavy brake applications. Have the sys-
tem checked as soon as possible by
BMW Service.
For more information, see page 77 ff
Red: as an important reminder
Brake warning light
The light is on while the hand-
brake is applied an acoustic
signal sounds if the handbrake is not
released before you pull away. For
more information, see page 59
Fasten seat belts
●
Depending on version, accom-
panied by an acoustic signal.
Comes on for several seconds or, on
certain versions, until the seat belt is
worn.
For more information on seat belts, see
page 46
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