no alarm installed
red light flashing
Alarm system is armed.
alarm arming light
The red circle warning light is the indicator for the sentry key and theft alarm systems.
It means your alarm is armed
Usually a flashing red light on the dashboard when the car is off indicates that there is an alarm system active.
The simple answer is; you can't, it's meant to do that. The red, flashing, LED shows that the alarm system, is set and functional.
Usually inside the car somewhere on the dashboard or the doors there will be a red flashing light to indicate that the car alarm is working properly. The light is also there to warn off burglars.
Smart-lock Alarm System Immobilizer
put it on a concrete block jump on it till the red light stops flashing.
if you take the smoke detector down there should be a list of of light and sound sequences refer to that.