Central locking problems

  1. #1
    Hey guys, I've been experiencing some weird problems on my saxo since it began to rain here in Portugal.
    When I open the car locks with the remote, it unlocks, locks, unlocks and locks again with just one press of the button!
    After the alarm is off, if I try to open the door with the key on the driver's door (left door in my case) it will just do the same as the remote. Luckily, if I do it on the other door, the locks will just unlock normally.
    Also a weird thing, is that the passenger's door (right side on my case) even when the locks are unlocked, (all of them) doesn't seem to open easily, as sometimes I have to push it like 10 times until it opens, though from the inside it always opens.

    If it doesn't rain for like 1 week, and the weather becomes hot (which is becoming rare these days), the locks and doors will just work normally, so I presume the problem has something to do with humidity.

    What can cause this? Would it be expensive to repair? I have no skills whatsoever that would allow me to open the door or look to things that are wrong, since I have no idea what to even find, and I must say that as a college student I can't afford to lose and entire day playing with my doors and locks just to screw it up even more.

    So I basically would like some advice on what to do, or maybe learn something more on what could cause this so that I avoid some mistakes I might be making, or take some more cation with something that I haven't before.

    Thanks for the help beforehand.
  2. #2
    PS: locks close with no problems either with key or remote, but if I lock it up from the inside with those sticks on the doors, they just won't go up no matter how hard I pull.
    (couldn't edit my post)
  3. #3
    Any help?