Check Impact Sensor

Remove the key from the ignition switch.
Close all the windows.
Close all the doors. However, open the front hood.
Press the LOCK button of the transmitter from the outside of the vehicle.
After 30 seconds, make sure that the security indicator light blinks twice for 0.5 second at the interval of 2 seconds.
Make sure that the security alarm surely operates by banging the glass several times with hands or lifting the front hood approximately 12 cm (4.7 in) or more and letting it fall freely.
If the security alarm does not operate, adjust the impact sensitivity.