BMW Motorrad R 18, Rider'S Manual, Page: 29 / 158

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Electronic immobilizer is active
General warning light lights up.
Key symbol is displayed.
Possible cause:
The ignition key being used is not autho-
rized for a start, or communication between
the ignition key and the engine electronics is
disrupted.
Remove other ignition keys from the igni-
tion key ring.
Have defective ignition keys re-
placed, preferably by an authorized
BMW Motorrad retailer.
Radio-operated key outside reception
range
General warning light lights up.
is displayed.
Possible cause:
The communication between the radio-oper-
ated key and the engine electronics is faulty.
Check the battery in the radio-operated
key.
Replacing the battery of the radio-oper-
ated key ( 34).
Use the spare key for further travel.
Battery of the radio-operated key is
drained or the radio-operated key is lost
( 33).
If the warning symbol appears while driv-
ing, remain calm. You can continue driv-
ing; the engine will not turn off.
Have any faulty radio-operated keys re-
placed by a BMW Motorrad retailer.
Replacing the battery of the radio-
operated key
General warning light lights up.
is displayed.
Possible cause:
The battery for the radio-operated key is
no longer charged to full capacity. Opera-
tion of the radio-operated key is only en-
sured for a limited time.
Replacing the battery of the radio-oper-
ated key ( 34).
Coolant temperature too high
General warning light flashes.
Temperature symbol is displayed.
ATTENTION
Riding with overheated engine
Engine damage
Be sure to observe the measures listed
below.
Possible cause:
The coolant temperature is too high.
If possible, continue driving in the partial
load range to cool down the engine.
If the coolant temperature is more
frequently too high, have the fault rectified
as quickly as possible by a specialist
workshop, preferably an authorized
BMW Motorrad retailer.
Engine in emergency operation mode
General warning light lights up.
Engine symbol appears on the display.
WARNING
Unusual handling when the engine is in
emergency operation
Accident hazard
Avoid rapid acceleration and passing
maneuvers.