Cobra Alarm battery upgrade

This Wiki is to help you guys (and gals) sort out that pesky Cobra 6422 alarm issues!

First of all you will need to remove the sounder, which is under the dash on the opposite side of the steering wheel, you will need:

1. Make sure you un-immobilise the alarm BEFORE disconnecting the sounder!!
2. Assume the lotus position in passenger side
3. M10 ratchet spanner
4. Side cutters
5. (Earplugs if the car is immobilised and you disconnect the siren connector)
6. your little book of swear words

~more to follow as I get chance~