MAINTENANCE WORK ON FRAME AND ENGINE 143
9.54Activating/deactivating the ignition key
Info
The orange programming key must only be used for activating and deactivating!
If a black ignition key is lost or replaced, the black ignition keys must be activated/deactivated using the orange programming key.
This will also prevent the vehicle from being operated without authorization with the lost black ignition key.
You can activate or deactivate up to four black ignition keys. Only the black ignition keys trained during an activation procedure are
valid. All black ignition keys not trained in the activation procedure are invalid, but can be retrained in a further activation proce-
dure.
B00144-10
Loss of a black ignition key (second black ignition key available):
The following procedure deactivates all activated black ignition keys that are not
included in the procedure.
– Press the emergency OFF switch into the position .
– Insert the orange programming key in the ignition lock.
– Switch on the ignition by turning the orange programming key to the ON position .
FI Warning lamp (MIL) lights up, switches off, and then starts to flash.
Immobilizer indicator lamp lights up.
– Switch off the ignition by turning the orange programming key to the OFF position .
– Pull out the programming key.
– Insert the black ignition key in the ignition lock.
– Switch on the ignition by turning the ignition key to the ON position.
FI Warning lamp (MIL) lights up, switches off, and then starts to flash.
Immobilizer indicator lamp lights up, switches off briefly, and lights up
again.
– Switch off the ignition by turning the ignition key to the OFF position.
– Remove the black ignition key.
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