The vehicle may enter a fail-safe/limp-home mode that limits the drivability of the vehicle.

The Intelligent Power Module (IPM) inside the inverter module may contain transistors that have higher operating temperatures than the solder can support and the transistors may be heat damaged by the solder. If this occurs, various warning lamps, including the malfunction indicator lamp, slip indicator light, brake system warning light, and master warning light, will be illuminated on the instrument panel.

What to do: Book it in at your next service. There is no deadline and no charge.