Engine oil replenishment system

[Gobysky]

I was able to use this system to refill the engine with oil, but haven’t been able to refill the replenishment reservoir. It says to the use the EFB, but that won’t activate. 
What is the best way to service the engine oil without accessing the EFB?

The simulator is so accurate it won’t be long before this plane won’t be flyable unless I get this figured out.

[Pils]

23 hours ago, Gobysky said:

I was able to use this system to refill the engine with oil, but haven’t been able to refill the replenishment reservoir. It says to the use the EFB, but that won’t activate. 
What is the best way to service the engine oil without accessing the EFB?

The simulator is so accurate it won’t be long before this plane won’t be flyable unless I get this figured out.

There’s nothing in the EFB. Just click above the main reservoir in the popup.

[Gobysky]

Ok thanks. So obvious yet easy to miss.