You probably need to change the filter.
no alarm installed
red light flashing
Alarm system is armed.
alarm arming light
The flashing red light on the dashboard of a 2003 Honda CR-V indicates that the vehicle's security system or alarm is activated. This light serves as a visual deterrent to potential theft and signifies that the alarm is armed. If the alarm is triggered, the system will sound an alert to notify you of unauthorized entry or tampering.
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.