If you put your index finger of your left hand on your right arm, approximately two fingers under your wrist, while the same with your right index finger to help it against motion sickness.
Do you suffer from motion sickness please mints or gum with. The fresh taste in the mouth causes the nausea disappears.
From childhood I have suffered from motion sickness. When told that we were on the temporal bone behind each ear were to paste a small piece of Elastoplast, (that's where the vestibular system) and I have NEVER had more trouble with motion sickness.
Place a newspaper on the floor of the car, and go out there with your socks on. Keep good look outside. Fresh breeze also works well.