BMW M3 Owner's Manual page 215

Mobility
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Indication in Canadian models:
Warning lamp flashes:
Engine malfunction under high load.
High engine load will result in damage
to the catalytic converter
Warning lamp lights up:
Engine malfunction with adverse effect
on emissions
Lights up in red:
Engine overheating
Lights up in yellow:
Engine too hot
Lights up in red:
Battery is no longer being charged.
Alternator malfunction
Lights up in yellow:
Battery charge level very low, battery
aged or not securely connected
Indication in US models
Parking brake applied
Indication in Canadian models
Parking brake applied
Indication in US models
Lights up in red:
Brake fluid level too low
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Online Edition for Part no. 01402918638 - © 02/13 BMW AG
Indicator and warning lamps
Cause What to do
You can continue your journey, but
moderate your speed and exercise due
caution. Have the vehicle checked with-
out delay.
Have the car checked as soon as possi-
ble.
Carefully bring the car to a stop, switch
off the engine and allow it to cool down.
Do not open the hood; otherwise, there
is a risk of injury from scalding. Contact
your BMW center.
Continue driving at more moderate
speed so that the engine can cool
down. Have the engine checked with-
out delay if the situation reoccurs.
Switch off all unnecessary electrical
consumers. Have the power supply
system checked without delay.
Have the battery checked as soon as
possible.
Braking action is reduced, stop with
care. Contact your BMW center.