Aux. Battery Saver+ (Plug-in hybrid vehicle)
The Aux. Battery Saver+ is a function that monitors the charging status of the 12V auxiliary battery. If the auxiliary battery level is low, the main high voltage battery charges the auxiliary battery.

The Aux. Battery Saver+ function will be ON when your vehicle was delivered. For more information, refer to the "System setting" on the following page.
Mode
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Cycle Mode: When the vehicle is OFF with all doors, hood and liftgate closed, the Aux. Battery Saver+ periodically activates according to the auxiliary battery status.
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Automatic Mode: When the ENGINE START/STOP button is in the ON position with the charging connector plugged in, the function activates according to the auxiliary battery status to prevent over-discharge of the auxiliary battery.

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The Aux. Battery Saver+ activates for a maximum of 20 minutes. If the Aux. Battery Saver+ function activates more than 10 times consecutively in the Automatic Mode, the function will stop activating, determining that there is a problem with the auxiliary battery. Drive the vehicle for a while. The function will start activating when the auxiliary battery returns to normal.
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The Aux. Battery Saver+ function cannot prevent battery discharge if the auxiliary battery is damaged, worn-out, used as a power supply or unauthorized electronic devices are used.
System setting
The driver can activate the Aux. Battery Saver+ function by placing the ENGINE START/STOP button to the ON position.

When the function is active, the charging indicator light will blink quickly and high voltage electricity will flow in the vehicle. Do not touch the high voltage electric wire (orange), connector or any electric components and devices. This may cause electric shock and lead to injuries. Do not modify your vehicle in any way. This may affect your vehicle performance and lead to an accident.
