CPSC campaign 09019
Hazard
A circuit board defect can cause AA batteries used in the guitar to leak if the batteries are installed incorrectly, posing a risk of chemical burns to consumers.
Remedy
Consumers should stop using the wireless guitar game controllers immediately and return them to the place where purchased for a full refund. Do not contact or return the product to Nintendo.
The text above is quoted verbatim from the CPSC record. Confirm the affected units and the remedy with the manufacturer or CPSC. Recall data may be incomplete, delayed, or superseded.