If you smell burning plastic near an EV battery, what should you do and why?

• A. Move away, evacuate, alert others, and call emergency services because burning material may indicate a dangerous electrical/thermal event.
• B. Ignore it; it will dissipate.
• C. Start smelling other components to identify smell.
• D. Place the source in water to cool it.

Answer: (D)

When you detect a burning plastic smell near an EV battery, the immediate priority is safety. The best course of action is to move away from the vehicle, evacuate others from the area, and call emergency services. A burning smell can indicate an electrical or thermal event that can escalate quickly, producing intense heat, toxic fumes, and the risk of ignition spreading. You want trained responders to assess and manage the situation and to determine if the battery needs cooling or extinguishing with specialized equipment.

Placing the source in water is not the right move for a bystander. Water conducts electricity and can create a shock hazard, potentially worsen short circuits, and spread contaminants or heat to nearby areas. Water cooling may be used later by professionals after the area is secured and the system is de-energized, but it’s not something you should attempt on your own.

In short, prioritize getting away to safety, alert others, and contact emergency responders so the situation can be handled properly.