How to make Metro model?

Hi,
I am now working on a metro model in the studio but I would need more help on how I can make the letter “W” for gas and “S” for brake and press “E” to start the engine. I’m asking for help because I don’t really understand the script and I want to sort it out somehow.

Sorry for bad english :yum:

Thanks for reading!

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If you could show us the model for the metro, I can point out things that might help.