If you are having issues with you multipoint or patio door locks, do not wait or try to fix these yourself. These are very complex locking systems that require a professional with the proper experience and training. Curtis c Lockouts are ALOA (Associated Locksmiths of America) trained, bonded and certified.
Common brands are;
ANDERSON, MARVIN, LARSON, PELLA, HOPPE, G-U,
THERMA TRU, EMTEK, AMESBURY TRUTH, PEACH TREE AND WEATHER SHIELD