With push-button start systems, you can start your car effortlessly. As long as the key fob is inside the vehicle, a simple press of the button is all it takes.

The difference between BMW’s key-fob deployment vs. most other carmakers', though, is that the X5 doesn’t have a specific button for the remote-start system.

If you have a key fob and have ever been curious about the circle arrow button and its function, here's what it means.

A 2023 survey found that over 60 per cent of drivers with push-button start systems had no idea their car had a hidden emergency start feature.