Engine Ignition Switch For C&itroen C4 C5 Push Button Start Kit Automatic Stop

For C4 C5 Engine Key Start Stop Push Button Switch for Ultra-low standby circuit loss: When the equipment is in a static standby state, its own circuit power consumption is extremely low, not consuming the vehicle's battery storage, effectively maintaining battery power reserves, and extending the vehicle's stationary for range. Residual Circuit Power Management: Assists in releasing residual power in the circuit upon engine shutdown, regulating the electronic control circuit state and preventing residual current from continuously impacting vehicle electrical components and engine parts. This feature automatically shuts off the engine when the vehicle comes to a temporary stop—such as at a red light or in a traffic jam—and quickly restarts it when the brake is released or the accelerator is pressed. Its purpose is to save fuel and reduce exhaust emissions. The primary function of the engine start-stop switch is to enable or disable the automatic start-stop system.