See also:

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). ...

Engine serial number
The number is stamped on the engine as shown. ...

Outside temperature display (if so equipped)
The outside temperature function provides a display of the outside temperature when the ignition switch is placed in the ON position. The display of positive temperatures is unsigned (blank), n ...