I have a 406 2.0 turbo exec, on the drivers side near the drivers knee there is a button that looks like it has a picture of a sensor or radar on it. Could anyone please tell me what it does if indeed anything. Thanks.
I happen to have a manual to hand and it looks like the interior protection switch (IPS) for the alarm.
If you open the doors with the key and not the remote the alarm will sound. You have 10 seconds to switch on the ignition and immediately press the IPS.
If you just want exterior protection. Switch off ignition, press IPS until the lamp comes on continuously. Leave the car and lock with the remote.
If you want to disconnect the battery. Switch of ignition. Within ten seconds press IPS for 2 seconds continously. Then disconnect battery.
It is definately for the interior sensors to be switched on and off for pets and open windows etc. On my 1998 model of the same car it is also used for re-programming my coded keys.
If my keys have the buttons pressed so many times out of range of the car they lose their memory. A certain procedure involving this button re-programms the key.
The manual does not tell you about this I found out from the dealership when my key stopped working!
Only useful on certain models I think the ones without the key pad immobiliser. Turn key to whitch on ignition ( all lighs on dash without starting) hold in secret button for about 5 secs then press main keyfb button notdeadlock botton) then turn off ignition. Lock doors then open doors. Hey presto key fob is re-programmed.
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