My wipers have an intermittent problem when, although they are working, they are not doing what they should be. When I push the stick upwards they should sweep across once. They might and they might not. They may stop half way across the screen. Same with other positions. May or may not do what they should. Also intermittent alarm fault message and ignition key in when it is not. When that happens it won't lock. Have to shove the key in the ignition and out again. It is never ending with this vehicle