If the alarm in a toyota camry keeps beeping, what must i do?

The Toyota Camry's anti-theft works through a progRammed key chip connected to the car's immobilizer. To reset the anti-theft and turn off the alarm's beeping, depress the fob's panic or unlock button. Alternatively, insert the key into the driver's door to unlock and reset the security system. You can also try pressing the panic button for 5 seconds followed by depressing the lock button 2 times. Walk ten feet away from the car and wait ten minutes before depressing the unlock feature on the fob twice as well. This may reset the anti-theft warning. Lastly You may disconnect the battery cables for 10-15 minutes, to re-calibrate the ECU and then re-connect and clear the security warning.