Automatic Headlamps - Operating Characteristics
SI B63 13 06
Lights
December 2010
Technical Service
This Service Information Bulletin supercedes B63 13 06 dated October 2006.
[NEW]designates changes to this revision
SUBJECT
Automatic Headlamp System Does Not Switch Off the Lights
MODEL
[NEW]All models with the rain-light sensor (option 521)
SITUATION
The low beam headlamps switch on spontaneously or stay on, even in daylight.
CAUSE
Normal operation
[NEW]INFORMATION
The issue has been integrated into ISTA diagnostics. In ISTA "Information search", select "Text search", then enter "Light sensor" as the search
term. Press "Start search", then select "FUB Rain/driving light sensor: restrictions due to technical features".
[NEW]WARRANTY INFORMATION
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