Romote Central Locking Help

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Hey Guys, I'm having some issues with my Central locking remote control for my Car, its been been playing up for the last few weeks and now i have to use the keys now to open the car :bang::cry:, anyway i just got it checked out @ locksmith today for both my Remote's that i have got ,The one i use everyday & The secondary one are both damaged.
The one i use every day , they said that the contacts is screwed is there anyway to fix this or do i have to replace the unit completely.




Thanks