[SuperViper]

pawn Код:

public Repair_CMD(playerid)
{
          RepairVehicle(GetPlayerVehicleID(playerid));
          // Send the player a message to inform him that his vehicle has been repaired
          SendClientMessage(playerid, 0x00FF00FF, "Your vehicle has been successfully repaired!");
          return 1;
}

Also, to make the timer not repeat:

pawn Код:

SetTimerEx("Repair_CMD", 15000, false, "i", playerid);