What is life like with your car? Let us know and win £500 in John Lewis vouchers | No thanks

Why does my 2002 Vauxhall Astra's alarm keep going off for no reason at all?

Why does my 2002 Vauxhall Astra's alarm keep going off for no reason at all?

Asked on 3 July 2010 by craigcook

Answered by Honest John
Sensor problem. Try switching to recirculate, closing all the vents, turning the heater to max and directing any airflow to the footwell. That minimises air disturbances inside the car. Another reason could be a captive spider crawling over a sensor.
Similar questions
My Ford C-Max car alarm has been intermittently operating, mainly at night. I have single-click locked the car on the key fob so as to not set the internal motion sensors, but it is still happening. Do...
I have a Golf TDi that I have owned for just over four years, my third Golf, all of which have been totally trouble free. I have never experienced this in any of them or any other car for that matter....
How do I temporally disable alarm while my dog is in the vehicle?