Driving Your Vehicle

Conditions That Restart the Engine

~1min read

The engine restarts automatically if:

  • Brake system pressure is low.
  • The engine has been stopped for approximately 5 minutes.
  • The air conditioner is on with the fan speed set to a certain high level.
  • The front defroster is on.
  • Battery is weak.
  • The cooling or heating performance of the climate control system is insufficient.
  • The vehicle is shifted to P (Park) or R (Reverse) while Auto Hold is activated.
  • A door is opened or the seat belt is unfastened while Auto Hold is activated.
  • The EPB switch is pressed while Auto Hold is activated.

The Auto Stop ( ) indicator flashes green for 5 seconds on the instrument cluster when the engine restarts.

WARNING

When the engine is in idle stop mode, the engine may restart without any action by the driver. Before leaving the vehicle or working in the engine compartment, turn the engine off, turn the ignition switch to the OFF position, shift to P (Park), apply the parking brake, and take the key with you when you exit the vehicle.

Test yourself

A quick Hyundai Tucson LM quiz: every answer comes with an explanation and a link to the manual page.