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Locking And Unlocking Test Functions

Only the first two test functions are freely accessible. All test functions after the third test function are locked. Unlocking can only be carried out removed by means of test function 19. In test function 19, the display switches in intervals of 1 second from L_ on to L_ off (Lock on and Lock off). The test functions are unlocked or locked by pressing the left control button (S/R for Set/Reset).

If the left control button (S/R for Set/Reset) in the instrument cluster is pressed while L_ off is displayed, the test functions remain unlocked or are unlocked. The display jumps to test function 0.

If the left control button (S/R for Set/Reset) in the instrument cluster is pressed while L_ on is displayed, the test functions remain locked or are locked. The test functions can be locked by means of test function 19.

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