During a power failure, a properly designed hydraulic car parking system is designed to keep the vehicle and platform secure. The hydraulic lift normally stops in its current position, while mechanical safety locks help prevent the platform from moving or falling. Depending on the system design, an emergency lowering arrangement or backup power option may be provided to bring the platform to a safe position. Once the power supply is restored, the hydraulic parking lift can continue normal operation. Regular maintenance and checking of the hydraulic system, safety locks, electrical controls, and emergency features are important to ensure safe operation during power interruptions.