IMPORTANT!!! NEEDING EXTREME HELP!!!!

>:(How do you get more than one door to open for instance pushing shift+E opens doors and in heaps of readmes it says:
Open main door: Shift+E
Open Cargo door: Shift+E (1)
Open Rear Cargo door: Shift+E (2)
This confuses me and when i push Shift+E+2 it says there is not setting for shift+2...WHERES THE GONE???
>:(Can someone please explain what the number means????
Gamer64 
Open main door: Shift+E
Open Cargo door: Shift+E (1)
Open Rear Cargo door: Shift+E (2)
This confuses me and when i push Shift+E+2 it says there is not setting for shift+2...WHERES THE GONE???
>:(Can someone please explain what the number means????


