The battery sensor is deactivated, when the battery is disconnected from the negative pole for maintenance purpose.
In this case, the ISG system is limitedly operated due to the battery sensor deactivation. Thus, the driver needs to take the following procedures to reactivate the battery sensor after disconnecting the battery.
Hyundai Kona (OS) 2018-2023 Owners Manual: AUTO STOP Indicator Light
This indicator light illuminates:
When the engine enters the Idle Stop mode of the ISG (Idle Stop and Go)
system.
This indicator light blinks:
When the automatic starting occurs, the AUTO STOP indicator on the cluster
will blink for 5 seconds.
Information
When the engine automatically sta ...
Hyundai Kona (OS) 2018-2023 Owners Manual: Windshield washers
In the OFF (O) position, pull the lever gently toward you to spray washer fluid
on the windshield and to run the wipers 1-3 cycles.
The spray and wiper operation will continue until you release the lever.
If the washer does not work, you may need to add washer fluid to the washer fluid
reservoir. ...