Test No. 15
LOCK/UNLOCK - Press and hold the mileage reset button while switching "ON" KL R. "tESt" appears in the digital display.
Pressing the reset button will scroll through the test functions until "tESt 15 L ON" is displayed.
Pressing and holding the reset button for three seconds will cause the display to cycle back and forth between ON/OFF. With "tESt L OFF" displayed any test function can now be accessed.