Do not activate vehicle switches during the test.
Ensure that following conditions are met:
Vehicle stationary.
Make shure all the doors, the hood and the luggage compartment lid are closed.
Windsheild wipers are OFF and parked.
All abstructions are removed from the windsheild.
The washer fluid reservoir must be more than half full.
Turn signals, parking lamps and hazard lamps are off.
Drivers belt is not buckled.
A/C must be turned off.
Vehicles with sport/economy switch might need to turn the switch on/off during test.