Pick an answer to test yourself
The starter is used to start the engine. It is not the part that connects or disconnects the motion from the engine to the wheels, and it does not control the engine's operation after it starts.
The functions of the grooves in the tyre tread, among other things:
How is braking achieved in a vehicle's braking systems?
How will the driver verify that the hydraulic braking system is in proper working order?
Why should the auxiliary (parking) brake be used for the purpose of parking only?
How should you act when you detect a fault in the braking system while driving the vehicle?
In what state shall the gearbox be during a prolonged descent?