i have this alarm fitted to my car and if you want to leave your windows open a bit you can with the alarm on all you have to do is push S1 on your key pad and the sensors are deactivated and the rest of your car is still protected especially if you fit the shock sensor as-well the only false alarms i have had is because of the shock sensor the vibration from lorries but you can turn it down a bit and it works fine you can also put the code in when it goes into the garage for a service so you don't have to give the garage your pin code and it lets you know it is still in the valet mode when you get it back from the garage as you take the key out of the ignition it will bleep once to let you know it still has to be activated again a very good system dose all i want it to do and if you lose the instructions and the fitting instructions you can get a copy on line one thing if your alarm is activated always let it run for 6 seconds before you turn it of or it will keep on sounding about 8 times before it finally resets its self
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