See also:

Wheels and tires
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Clearing the programmed information
Individual buttons cannot be cleared. However, to clear all programming, press and hold the two outside buttons and release when the indicator light begins to flash (approximately 20 seconds). ...

Difference between predicted and actual distances. How to park with predicted course lines
Difference between predicted and actual distances Basic Information The guidelines displayed on the monitor and their apparent positions on the ground are intended only as approximate references. ...