Get in touch with a Rover dealer, tell them the problem, they can find out the code for your lock on the door. That way you will not need your fob to open the doors or immobilise it.
tryHttp://www.bba-reman.com/content.aspx?content=Test_for_Renault_Key_Immobiliser_failures_emergency_recode
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Yes you can bypass the immobilizer by keying in your current PIN followed by "C1C" on the keypad. This will allow you to start the car after unlocking with immobilizer and you only have 1 minute to start the car. To revert back to manual entry, just key in "C0C".
Have you checked the central locking fuse (should be in the car, not engine bay) that would be linked to the immobilizer but if the car starts while the Central locking doesn't then changing the fuse might solve the problem.
If the key is lost for a car which has a immobilizer system in place, you will need to contact the dealership. Most car keys have microchips in place to prevent auto theft. The car dealership will be able to order a new key to start the car.
To reset the electric immobilizer you must put the key into the ignition and slowly turn it. You should see the lights in the car start to turn on. It does not work if you turn the key too fast.
The immobilizer is still engaged.
You need to start the car and then disconnect the immobilizer while its running, if its the same as mine the buttons for the immobilizer will be beneath the ashtray? The plastic thing that the buttons are on lifts up and you can disconnect it from underneath by removing the plug. If your having problems with the code for the immobilizer try disconnecting the battery then re connecting it and it should reset the immobilizer code to either 0000 or 1111, start the car then disconnect the immobilizer as above.
car wont start, alarm making noises, what to do
Without knowing your exact brand of car, this is a difficult question to answer. The first thought I have would be that your vehicle has an immobilizer, in which case you will need to take the immobilizer off before you can start the vehicle. If it's not the case that you have an immobilizer on your vehicle, I would suggest you refer to the owner's manual for your car, or contact a dealership.
i had the same problem and it turned out to be my immobilizer had stopped the car from starting
It means that your car is not recognizing the immobilizer chip in your key.