You turn the key to the ll position or second click and press the remote pad to open the car. The central locking and indicators for the immobilizer should activate and that is the key programmed. Hope this helps.
you get 3 mins to change the battery.
found this answer on this site and it worked for me "if you have replaced battery in remote key fob put key in ignition then turn to position 1 the press the buttons on the fob a few times. this simply resets the fob to the car then all will work as should do "
To unlock the safe mode on a Vauxhall Vectra, you typically need to use the vehicle's key fob or key. Insert the key into the ignition and turn it to the "on" position without starting the engine. Then, press the unlock button on the key fob to reset the system. If this doesn't work, consult the owner's manual or a Vauxhall dealership for specific instructions related to your model year.
take key to dealer for programing they will need also info about car,new key maybe £40
To disable the immobilizer on a Vauxhall Vectra 2 DTi, you typically need the vehicle’s key with a programmed transponder. If you’ve lost the key, you may need to use specialized diagnostic equipment or reprogram a new key at a dealership. Attempting to disable the immobilizer without proper tools or knowledge can lead to further complications, so consulting a professional locksmith or Vauxhall dealer is recommended.
For Omegas, put the key in the ignition and press one of the buttons within 30 seconds- the doors will lock and unlock. For Omegas, put the key in the ignition and press one of the buttons within 30 seconds- the doors will lock and unlock. This also works for older Vectra models
I had the same problem on my Vectra B. Mine had refused to turn and I used Graphite powder and played with the key until it turned. it come in a little "puff pack"
Low battery voltage of remote key.
because it's dirty, just tace a soft fabric and some jewel polish and clean it
Even if the trunk release is broken, the external key lock should be able to open the trunk.
you shove it where the sun doesn't shine
The safeguard warning in a Vauxhall Vectra typically indicates a potential issue with the vehicle's security system or a malfunction in the immobilizer. This warning may activate if the key fob is not recognized or if there is a fault in the electronic control unit. If you encounter this warning, it's advisable to check the key battery, ensure proper key recognition, or consult a professional for diagnostics and repairs to prevent starting issues.