Reversing aid shows 'FF' error code and sounds a continuous warning signal for approximately three seconds.
Medium severity
Symptoms
["Maneuver with particular care, if interference from an external source of ultrasonic waves (compressed-air brakes of trucks, a car wash or a pneumatic drill) is causing the reversing aid to malfunction.", "Clean the reversing aid sensors and check the backup lamps.", "If malfunction persists, have it traced and rectified by an authorized Sprinter Dealer."]
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