5 Things You Should Never Do With A Manual Transmission Vehicle. Five bad stick shift driving habits. Is it okay to rest your hand on the gearshift? Should you put the car in neutral when you come to a stop? How can you prevent rolling back on a hill? How do you drive a manual on a steep hill? How to hill start. Is it okay to floor it at low engine RPM? Is it okay to rest your foot on the clutch pedal?