Patent ID: 7866357

Claim:
A method for filling a reservoir on board a motor vehicle with a fluid using a reserve cartridge, the method comprising: inserting a latching device of the reserve cartridge into an opening included in a filler neck connected to a filler pipe of the reservoir, the opening of the filler neck to communicate the latching device to an attachment device of the filler pipe; attaching the reserve cartridge in a sealed manner to the attachment device of the filler pipe; and unlatching the latching device of the reserve cartridge to flow the fluid from the reserve cartridge into the filler pipe of the reservoir, the latching device configured to allow the fluid to flow from the reserve cartridge into the filler pipe of the reservoir only when the reserve cartridge is attached in a sealed manner to the attachment device on the filler pipe so as to prevent the fluid from flowing when the reserve cartridge is not attached in a sealed manner to the attachment device; and removing the reserve cartridge from the attachment device of the filler pipe after flowing the fluid from the reserve cartridge into the reservoir.