Some industry groups and engineers have long warned that hidden handles can jam or fail during collisions, fires, or power outages, complicating rescue efforts.

Yeah that concern makes sense.

Automakers have expressed their willingness to comply with the standard although they face a costly redesign.

Every change release is, sadly.

A Toyota body engineer told the National Business Daily the company is preparing mechanical backups inside hidden handles to comply with the new rule.

Great idea -- as long as they're easy to find in case of an accident.