Precautions To Take When Handling Power Cable

WARNING: This page is about a different car, the 2017 Hyundai Sonata and 2016 Hyundai Sonata. However, it is still accessible from the selected car via links, so may be relevant.

Immediately insulate the high voltage terminal after removing the terminal (use insulation tape).
Tighten the high voltage terminal screw to spec torque.
Be careful that (+) and (-) terminals do not come in contact when connecting or disconnecting power cable and busbar.