+ o - nothing

[Cid]

+ and - and don't start the accelerating (6)

[dosraider]

The keys 1-2-3-4-5-6-7-8-9-0 are used to set the thrust.
10% to 100%, in 10% steps.
The / key is used for the afterburners.
Use the / key wisely, it burns a lot of fuel.

That's of course if your question is about Falcon3.