Iβm guessing your friend really wanted to go somewhere.
Iβm glad I never ended up in a car after sleepwalking. I have plenty of dreams of being in a car and most of them include having to somehow drive the car from the back seat or the passengers side because the driver has become incapacitated some way. If I am in the driving seat then the breaks donβt work or there are people shouting at me where I should go when I have no idea where I am. In RL driving causes me anxiety (operating a death machine should not be taking lightly), so these dreams make perfect sense to me.