As a general guide:
This product is suitable for small vehicles (Cars, Taxis, Lorry Cabs).
Prepare the vehicle by removing all visible debris, dirt and belongings from the vehicle.
Turn the ventilation to the “air recirculation” setting and fan to high. Ensure widows are closed. If sanitising the boot is required, remove rear parcel shelf and open ski hatch (if present and easy to do so)
With the engine running, place the can in the rear seat footwell with the front seat forward
Press the discharge button and immediately leave the vehicle closing the door
Leave for 15 minutes before opening the car doors and boot and allow the vehicle to ventilate for approx 10-15 minutes
Reset vehicle ventilation system to previous preference.