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Hello, that sounds like it's an aftermarket add on alarm that was somehow triggered, did this happen after jump starting or disconnecting the battery?
check the back of flashing red light to see if there is a push button on it?
Check the left side kick panel, is there a small toggle switch?
Ok, thanks for that info
Not sure what type of alarm system you have but it's not from the factory, I can give you instructions for disabling the alarm and hope this works"
remove the key from the ignition
remove the negative battery cable
put the key in the ignition and turn it to ON
Leave the door open
reconnect the battery
enter and leave door open then try to start.
You're welcome, let me know how it goes.