49909390 Determination of level of oil by means of the masloizmeritelny probe

Take the probe.
Wipe the probe with the pure fabric which is not leaving fibers.
Ship the probe against the stop (for the cars supplied with "stopper probe" - wrap a stopper completely).
Again take the probe.

Fig. 1.9. Masloizmeritelny probe

Check oil level: it never has to fall below a tag of "MIN" or exceed a tag of "MAX".