hi you need to programme your key fob in to the car.sit in the car & key in the ignition turn key to position 2, 4 times in 6 second's if you still have the original stereo in this will make a noise or the red led stays illuminated at this point remove the key and press the lock button on the fob, this should lock the car,open car on the fob,fob reprogrammed.hope this help's
steray
January 2008