Headlight washer, bus information

Bus message	Type of information	Transmitter	User
Dipswitch	0, 1, 2	BCM	UEC
Key position, ignition switch	Caps Off On Start	CIM	UEC
Windscreen washer, stalk-switch active	ON/OFF	CIM	UEC
Washer fluid, level low	ON/OFF	UEC	MIU