The alarm sounds because when it was installed they did not hook up factory alarm disarm. This is crucial because when the car is remote started, the car thinks someone broke in through the window and it trying to start the car while the car is still armed. If the disarm wire is pulsed the car then sees that whoever is trying to start the car wanted it disarmed and allows it so the car doesn't think it's being robbed. On most directed electronic alarms it's a Light Green/Black wire comming from the brain for Factory Alarm Disarm
replace the remote
the factory alarm is set
Yes, any car alarm equipped with "starter kill" or "starter disable" will make it impossible to start your vehicle until the system is disarmed with your remote or the vehicle key.
The factory alarm is reset by unlocking the doors with a key or remote.
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You disarm the security by unlocking the doors with a key or remote.
An alarm remote is a remote control for an alarm system. A remote alarm is an alarm that rings somewhere far away from whatever set off the alarm.
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You will have to uninstall the alarm and rewire the vehicle. It is likely the ignition wires are run through the alarm.
You need a remote start system that works with the alarm/smart key system. You can not just unhook the alarm.
There is a plug in "black box" under your dash that can be unplugged to totally disable the alarm system. The remote clicker should still work but the factory alarm will not. Nothing else will be affected. You'll have to get a flashlight and look under there but the box in question does have a sticker on it that clearly says "alarm/security" on it.
On most vehicles, if the key is used to unlock the vehicle after the alarm is set, the alarm will sound as soon as the key turns in the lock. To shut the alarm off in most cases, insert the key into the ignition and start the vehicle. If the starter kill stops the engine, just restart the engine and it should be fine.