... guest required 4.High quality and highgrade packing Performance:Arkane Air conditioner Cleaner is is designed to clean and refresh car ... @ Does not contain acid components Usage:@ Check up the air conditioner, and the external air inlet position.@ Put the swith on the “off ... of the maximum draught.@ After 10~15 minutes, put the air conditioner swith on the “off”, turn off the engine. Note:@ stored ...