12 V lithium auxiliary battery
The 12 V lithium auxiliary battery, which is integrated with the high voltage battery, is installed in the vehicle to supply power to lamps, wipers, and audio system.
12 V lithium auxiliary battery maintenance
If an abnormality such as high temperature or overcharging is detected in the 12 V lithium auxiliary battery, the warning message "Check battery" appears on the instrument cluster.
If the warning message appears, we recommend that your vehicle be inspected by an authorized HYUNDAI dealer.