To better understand the steps needed to replace a key fob—and the ... they don’t have the capability to program key fobs for any car with push-button start or keyless entry.

Regardless of how many times you press the button or smack the key ... a butter knife or another key. To replace the battery: ...

These batteries can occasionally be difficult to replace ... and pressing the ignition button,” Capital One suggests regarding starting a car with a dead key fob.