Sound System Electronic Anti-Theft System

Sound System Electronic Anti-Theft System

The Sound System is equipped with an electronic Comfort anti-theft system which operates in conjunction with radio unit identification data stored in the instrument cluster.

When an existing radio is removed (radio power supply disconnected) and reinstalled in the same vehicle, it is not necessary to input the anti-theft security code.

Electronic Anti-theft Theft, Function

After first activation of electronic anti-theft system, a numeric code is stored in both the radio unit and instrument cluster. When the radio power supply is restored ( e.g. after removing and installing radio or battery), a data exchange takes place between the radio and instrument cluster.

The data exchange compares the numeric code of the radio unit to the numeric code stored in the instrument cluster. If numeric code is identical, the instrument cluster recognizes that the radio "belongs to the vehicle "and is ready for operation.

Should a radio be replaced, the anti-theft code must be entered.

Deactivating electronic anti-theft system.

Next, when the ignition key is inserted into the ignition switch (" S-contact" activated), the data exchange between the replacement radio and instrument cluster take place automatically.

The data exchange lasts about 5 seconds. During this time a VAS 5051/5052 must not be connected or remain connected.

After successful data exchange, the replacement radio unit is ready for operation without renewed input of anti-theft code (should power supply subsequently be disconnected and reconnected).

The electronic anti-theft system is activated and will lock the radio as soon as:

• radio unit is installed in a different vehicle

• instrument cluster is replaced

A radio which has been locked by the electronic anti-theft system will show "SAFE" and "1000" on display when switched on.

To cancel lock, deactivate electronic anti-theft warning system.

Electronic Anti-theft Theft, Deactivating

Reactivating a locked radio is only possible by entering correct code number for electronic anti-theft system.

• Code number for electronic anti-theft system is listed along with radio serial number on radio card.

• For security reasons, radio card should not be stored in the vehicle. Obtain the code number from the customer, if necessary.

• If a radio is replaced, code number from replacement radio must be used.

• Inform the customer that the code number has changed.

- Obtain radio code number.

- Switch on radio unit.

Radio displays "SAFE" and then "1000". No button inputs are required.

- Using station buttons -1- to -4-, enter code number affixed to radio card. Press preset button 1 to enter first digit of code number, preset button 2 for second digit and so on.

- Then press the Arrow button, which is located above the FAD button and hold it firmly until the anti-theft coding is activated. This is indicated by a short signal sound.

If the code number has been entered correctly into radio unit, a radio frequency appears on the display.

• If the anti-theft code has been entered incorrectly, it can be corrected immediately in another attempt. If anti-theft code is entered incorrectly twice, then the radio unit is locked for an hour. Radio unit can then be switched on and insert ignition key in ignition lock. After one hour, then the procedure for deactivating the electronic anti-theft system can be repeated. Remember: Always two attempts to input code, after that the radio unit is locked for one hour.