How do I operate the shuttle

Hint 1 of 7:

You need to get in one first.

Hint 2 of 7:

Then, put the shuttle access card in the slot in the control room.

Hint 3 of 7:

Make sure you're facing the tracks.

Hint 4 of 7:

Push the lever to "+" to increase speed.

Hint 5 of 7:

If the lever is in the center, then the speed won't change.

Hint 6 of 7:

If the lever is in the "-" position, it will slow the shuttle.