Use your spare key if available
Call roadside assistance or a locksmith
Contact the car manufacturer or dealership for key replacement or remote unlock options
Use your key fob if it still works
Check whether any door or hatch is already unlocked
If the vehicle has an app-based unlock feature, use the official app
If a child or pet is inside, call emergency services immediately
If you are the owner and have proof of ownership, ask a locksmith to open it
Avoid forcing the door or window to prevent damage
Avoid using tools that could damage the vehicle or trigger the alarm