How do I open a trunk in audi 2000 Audi A8 battery is dead and my key does not work?

stick key in door and partially raise the door handle and turn key to unlock door/inside release trunk/or open hood and jump batt and then unlock trunkHow do I open a trunk in audi 2000 Audi A8 battery is dead and my key does not work?open the hood and put a charger on the GROUND of the engine and the power for the alternater if the batt is in the trunkHow do I open a trunk in audi 2000 Audi A8 battery is dead and my key does not work?call audi.. for a callout fee they can send someone out to fix it and be there within an hour or 2. i take it you don't want the lock damaged?