BMW R 18 B 2021 Rider's Manual page 45

DANGER
Driving with overheated brakes
Risk of accident due to brake failure
Adapt driving style.
Use the engine brake to avoid frequent
braking.
WARNING
Failure to observe maintenance intervals
Accident hazard
Comply with the maintenance intervals
applicable for the brakes.
Possible cause:
The brake temperature is in a critical range.
You may continue riding carefully until the
warning light goes out.
Cruise control failed
lights up yellow.
Cruise control not function-
ing. Onward journey possible.
Testing by workshop required
Possible cause:
The control unit has detected an error.
It must be noted that cruise control and
distance control (ACC) are not available.
You may continue riding. Have the mal-
function corrected as soon as possible at
a specialist workshop, preferably an autho-
rized BMW Motorrad retailer.
Distance control has failed temporarily
with Active Cruise Control
lights up yellow.
ACC temporarily failed. On-
ward journey possible. Check
radar sensor for impairment.
OE
Possible cause:
The radar sensor function is impaired.
It must be noted that the distance control
(ACC) function is temporarily unavailable.
Cruise control is still available.
You may continue riding. Check the radar
sensor. Remove contamination or objects
covering the radar sensor.
Observe the care and cleaning instructions
( 147).
Distance control failed
with Active Cruise Control
lights up yellow.
Distance control failed. On-
ward journey possible. Test-
ing at workshop required.
Possible cause:
The control unit has detected an error.
It must be noted that the distance con-
trol (ACC) function is not available. Cruise
control is still available.
You may continue riding. Have the mal-
function corrected as soon as possible at
a specialist workshop, preferably an autho-
rized BMW Motorrad retailer.
Audio system temperature too high
Audio system Level 3 too hot
Audio system is shut down.
Possible cause:
The audio system control unit has diagnosed
excess temperature.
Protect the motorcycle from direct sun-
light.
If the malfunction persists, have the mal-
function corrected as soon as possible at
a specialist workshop, preferably an autho-
rized BMW Motorrad retailer.
Audio system voltage too high
Audio system voltage is high!
Audio system is muted.
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OE