Help on flying the 109

[ga_332]

Some question

1. Cant open/close the Radiator in 109? is it a bug?
2. When Wep is turn on you cant turn it off? you have to wait 1 minut for it to auto tirns off?
3. When flying for a while the 109 start to shake, when I trottel down to almoust 0 trottel it stops, but when I trottel up again it starts to shake again, both in low and high alt have i broken the engine? The Temp looks fine and no oil
4. Should magneto always stay on 1+2 ?