How do you switch from full automatic to semiautomatic?

To switch from full automatic to semiautomatic mode in a vehicle, locate the gear selector. Shift from the "D" (Drive) position to the "M" (Manual) or "S" (Sport) mode, depending on the vehicle's design. This allows you to manually select gears using either the gear lever or paddle shifters, if available. Always refer to the vehicle's owner manual for specific instructions related to your model.