To turn off that feature hold down the Lock and Unlock buttons
for about 5 seconds and point the remote at the front of the windscreen
then you can just use the lock button and unlock button by pressing once.
Welcome to the Land of Zed. .
A small amount of cracking is OK, but I woulds change them anyway as its an easy job and not expensive.
It your in London run the car out to Japex and they will do it while you wait. Speak to Ros.
http://www.japexperformance.co.uk/