1. SONATA HYBRID Battery Dismantling Manual

2. Precautions for handling the hybrid battery Wear rubber-insulated gloves. Use insulated tools. Do not have any metal objects in your possession while working. Do not cause any impact on the battery. Do not disassemble the battery without specific equipment. Be sure to discharge the battery to store and transport it safely. Battery dismantling procedure Turning off the engine Disconnecting the 12V battery terminal Disconnecting the safety plug and connectors Dismantling the hybrid battery Discharging the hybrid battery

3. Disconnection of the 12V battery terminal Remove the 12V battery cover. Disconnect the negative terminal.Unfasten a nut. Caution Disconnect the negative terminal of the battery first. If the positive terminal is disconnected first, there is a possibility of electric shock. Negative terminal of the 12V battery Open the trunk. 12 345

4. Disconnection of the safety plug Uncover the safety plug cover. Pull the lever. Release the lock of the plug. Disconnect the safety plug. After disconnection, wait 5 minutes for the electric discharge. Safety plug cover 12 456 3

5. Removal of the rear seat Remove the rear seat back. Remove the rear seat cushion. Unfasten 5 bolts. Bolts for fastening the rear seat back 12 34

6. Removal of the luggage partition trim Luggage partition trimRemove the luggage partition trim. Fasteners and a nut for fastening trunk trims Unfasten a nut.Unfasten 2 fasteners. 13 4 56 2 Unfasten 3 fasteners and 5 screws.

7. Removal of trunk trims Remove the luggage cover mat. Unfasten 11 fasteners. Unfasten a bolt. Remove the luggage side trim(LH). Remove the battery case trim. 12 345 Remove the luggage side trim(RH).

8. Removal of cooling ducts Detach the inlet cooling duct.Detach the outlet cooling duct. Unfasten 5 nuts. Outlet cooling duct / Inlet cooling duct 12 34

9. Uncovering the high voltage safety cover Uncover the high voltage safety cover. Unfasten 3 torx bolts. High voltage safety cover 12 3

10. Disconnection of battery connectors Disconnect the inverter power cable terminals. Disconnect the BMS extension connector. Disconnect the cooling fan connector. Unfasten 3 nuts. Caution Orange colored cables carry high current. Be cautious when working with electric terminals. Battery connectors 12 45 3

11. Dismantling the battery Dismantle the battery.Finish dismantling the battery. Unfasten 6 bolts. Caution Be cautious about transportation because a battery weighs about 42kg. Do not cause any impact on the battery. Battery case 12 45 3