How do you fix a broken lock on Ford Fiesta petrol cap?

To fix a broken lock on a Ford Fiesta petrol cap, first, assess the damage to determine if the lock mechanism or the cap itself needs replacement. If the lock is malfunctioning, you may need to remove the cap and inspect the locking mechanism for debris or damage, which can often be cleaned or repaired. If the lock is beyond repair, consider purchasing a new petrol cap that matches your vehicle model. Always ensure the new cap is securely fitted to avoid future issues.