XK-8 Coupe (X100) V8-4.0L (AJ26) (1998)
A short press will briefly operate the washers and the wipers will complete three wipes.
If the button is held depressed, the washers and wipers will operate continuously for up to twenty seconds.
S When released, the washers will stop and the wipers complete a further three wipes. The drip wipe function will perform a single wiper sweep
four seconds after the wipe/wash sequence has finished.
If the 'Washer fluid low' message is displayed and the wash/wipe is selected, the wipers will operate but not the washers.