BMW (BMWG.DE) is reviewing the necessity of car keys, Ian Robertson, the company’s board member responsible for sales told Reuters.

The fact that customers now all carry a smartphone and the availability of a BMW App which allows customers to unlock their vehicle, has made old fashioned keys less relevant.

Yes and no. I get where they’re going, but there are some obvious situations where you may need a key. What if your phone runs out of battery or you lose it—now you can’t even get in your car.