Keys and doors -> Engine immobilizer system for Your Toyota Avensis 4 Door Second Generation (2004-2009)

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Engine immobilizer system  
Without front passenger seat belt light  
The engine immobilizer system is a system that  
prevents the vehicle from being stolen. When the  
key is inserted into the ignition switch, a transponder  
chip, located in the key head, transmits an electronic  
code to the vehicle. The engine will only start when  
the electronic code in the chip matches the registered  
ID code of the vehicle.  
With front passenger seat belt indicator  
The system is automatically set when the key is removed  
from the ignition switch. The indicator will start flashing to  
indicate that the system is set.  
If any of the following indicator conditions occur, contact  
any authorized Toyota dealer or service center, or  
another properly qualified and equipped professional.  
The indicator remains on, except when the  
security system is being set or activated.  
(See "Security System" on page 50 in this  
chapter)  
The indicator does not start flashing when the key is removed  
from the ignition switch.  
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The indicator flashes irregularly.  
Inserting the registered key into the ignition switch will  
automatically disable the system, allowing the engine to  
start. The indicator goes out.  
In order to make a new key with a built-in transponder chip,  
your authorized Toyota dealer or service center, or another  
properly qualified and equipped professional, will need the  
key number and the master key. However, you can only  
have a limited number of additional key pieces made.  
If you make your own duplicate key, it will not be  
possible to turn off the system or  
start the engine.  
NOTICE  
Do not modify, disassemble or disassemble the engine  
immobilizer system. If any unauthorized changes or  
modifications are made, the correct operation of the  
system cannot be guaranteed.  
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