Hyundai IONIQ 5 Emergency Response Manual page 23

8. Towing / Transportation / storage
8.2 Storage of damaged vehicle with the damaged battery
• Drain fluids and water, then disconnect the negative (-) terminal of the 12 V battery before
storing a damaged vehicle.
• In addition, remove the water inside the battery or vehicle, then remove the interlock
connector from the high voltage battery before storing a damaged vehicle.
• Place the vehicle in an open space away from any structure, vehicle, or building.
• Then, keep on eye on the vehicle until the discharging procedures are completed.
• If the battery can be removed from the vehicle by moving the vehicle on the lift, remove and
discharge the battery.
• If the battery can't be removed, set the water pool and pouring water until the entire
battery is submerged.
# Water pool condition : tap water or pond water that does not contain salt
• Maintain this water level for at least 90 hours.
• Put salt into the water pool to make 3.5% salt water.
• Wait for additional 48 hours in salt water.
• Then, drain the water by using BMS cover (A) and dry it.
• DO NOT USE SALT WATER FOR THE FIRST STEP.
• A large volume of flammable gas can be generated in salt water due to electrolysis.
• After submerging the vehicle in pure water for at least 90hours, put salt in the water pool.
Battery discharging BMS ECU service cover (A)
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