good question.....we has been experience before.it will be depend to the installer how there do it. but the correct way is arm the alarm then the engine still running after just switch off by the timer.
I'm driving a mira L5 turbo. I facing a problem is my BOV suddenly no more Psss sound. Wat wrong wit it the boost meter still going up to 0.6 bar as normal. I'm using original BOV. If i don fix it...