[KaleOtter]

Lockmycars(playerid)
{ for(new i=0;i<MAX_HOUSES;i++) {
SetVehicleParamsForPlayer(cInfo[houseid][HouseCar], playerid, 0, 1); } // LOCKS A CAR
}
change to

Lockmycars(playerid)
{ for(new i=0;i<MAX_HOUSES;i++) {
SetVehicleParamsForPlayer(cInfo[i][HouseCar], playerid, 0, 1); } // LOCKS A CAR
}
Dunno if this was the problem because i don't realy get you.