Broken Key Card: If you get errors with your car key card and your car won’t start this may be because of damage to your key card, this commonly happens when they are pockets or if you leave them lying out.
Fix Your Broken Car Key Card
The circuit board inside the card is not designed to flex, so this will commonly cause a “Key Card Not Detected” error which appears on the dashboard. If bent trying to straighten out the card may work, but in most cases, a replacement is required.
So it is always worth keeping track of where you keep the card. But in the worst case, you can call a mobile car locksmith.