The In and On of the English Language

English is Funny

Using the words In and On

On the bus.
On the train.
In the car.
On your bike.
In top gear.

You can be on the stage, in a show.
I am on a seat in the audience.

"Am I in time for the meeting?"
"Yes, you are on time for the meeting."

I am in a car, on my way, in the exit lane, but also on the exit ramp?

How can I be in the starting grid on pole,
and also in pole position?