Statis airport traffic - How to enter airplanes?

I cannot enter some airplanes when starting in parking spots - for example, the A310. The door is high and closed, and I couldn’t find how to enter.

Also - in preparation for VATSIM - how to I disable static airplanes in airports?
msfs-2024 Aircraft & Systems

Press Shift-C to enter an aircraft.

Mathijs Kok
PMDG