If you don't do it properly you could loose the security code and end up paying 90 plus to have the code reset, plus the price of towing the car in to the dealer.Help sought on changing a battery in a zafira ignition key?this is the 3rd time you've asked the same question!Help sought on changing a battery in a zafira ignition key?What model Zafira?
Zafira A 1998-2004
To Change the Remote key battery:
Looking at the back of the key towards the blade of the key you will see a slot insert a small screw driver and carefully leaver the blade part away from the remote of the key be Carefully not to lose the immobiliser chip that is attached to the inside of the blade end.
Once you have parted the key open the part with the buttons which should just pull apart and insert a new CR2032 Battery into the key.Help sought on changing a battery in a zafira ignition key?If it's the flip key, the fob will split in two. If it is the fixed key, then the dealer will have to do it for you.
This applies to most post 2000 Vauxhalls.