Engine control system

An engine control system comprising:

• a communication terminal that is configured to transmit startup information;
• a wireless communicator that is provided in a vehicle;
• an engine that is provided in the vehicle;
• a battery that is provided in the vehicle;
• a first detector that is provided in the vehicle and that is configured to detect a remaining charge of the battery;
• and
• a controller that is provided in the vehicle;
• wherein
• the controller comprises
• one or more controller processors, and
• one or more controller memories that are coupled to the one or more controller processors, and
• the one or more controller processors are configured to execute processing comprising
• starting up the engine and operating the engine over a running time that is set in advance, when the wireless communicator receives the startup information from the communication terminal,
• determining whether a predetermined condition regarding the battery is met based on at least the remaining charge of the battery,
• stopping the engine based on the running time that is set in advance elapsing, when the predetermined condition is met, and
• performing an extension of running time of the engine from the running time that is set in advance, when the predetermined condition is not met.