What are the reasons why the Peugeot 307 suddenly won't start?

[JuliaRose]

Peugeot 307 suddenly not starting could be due to a dead battery, faulty ignition switch, or insufficient fuel. Solutions for the car not starting: Check if the gear is correctly engaged; check if the vehicle still has fuel; check if the battery is dead—manual transmission cars can be push-started, while automatic transmission cars can be jump-started; call for roadside assistance if needed. Car battery maintenance tips: Avoid parking the car in open parking lots for extended periods. If long-term parking is necessary, remove the battery to prevent freezing damage; car batteries require regular charging. A battery left unused will gradually self-discharge and eventually become unusable, so start the car periodically to recharge the battery.