A vehicle control method includes entering an initial warning state based on a door being locked in a pre-warning state to output a first warning alarm for a first time interval after an ignition of a vehicle is turned off, and entering an escalation warni...

A danger determining section (1a to 3a) detects a danger potentially approaching a vehicle and an orientation of the danger, generating an output indicating that the danger potentially approaches the vehicle and the orientation of the danger. A plurality o...