If the display WARNING appears in TECH 1, the engine oil
level is too low at present or a fault has occurred in the circuit. The
malfunction is recognized directly at ignition ON; when the vehicle is in
operation, a certain amount of time (approx. 125 s) elapses until the fault
is stored.
When WARNING appears in TECH 1 it can be quitted via the
start key "R" of the MID switch on the screen wiper lever. The TECH
1 display then shows WARNING QUIT. The fault is still present.
If the display HISTORY WARNING appears in TECH 1, the
engine oil level was too low at an earlier time or there was
a fault in the circuit. At present, the engine oil level circuit is
okay (loose contact). The HISTORY WARNING can be deleted in TECH 1 mode
F4:CLEAR CODES when the fault has been eliminated.
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