Many key fobs these days — especially those paired with newer vehicles — have an additional button labeled with ... it from humbler brands like Mazda, Nissan, Buick, Hyundai, and Mitsubishi.

1. Check for a Manual Key Hidden in the Fob Most modern key fobs, even for push-to-start vehicles, include a hidden mechanical key. Look for a small release switch or button on your key fob.