Use the key fob to unlock the car
Insert the key into the driver’s door and unlock it manually
Start the engine with the correct key
Press the panic or alarm button on the key fob
Check whether the hood, trunk, or doors are fully closed
Replace the key fob battery if it is weak
Disconnect the car battery only if you are authorized and know the correct procedure
Consult the owner’s manual for the specific alarm system
Contact the vehicle manufacturer or a licensed mechanic
Contact roadside assistance or emergency services if the alarm cannot be stopped