LIFTED HOOD, ENGAGED HYDRAULIC AIR LIFT FEATURE TO HOLD HOOD UP. HOOD SUDDENLY AND WITHOUT WARNING FELL, STRIKING MY LEFT UPPER ARM, CAUSING SEVERE BRUISING AND PAIN. NO ACTION TAKEN YET TO REMEDY SITUATION OTHER THAN I WILL NOT OPEN HOOD UNLESS I HAVE A STICK OR SOME SORT OF DEVICE TO HOLD HOOD OPEN. *JB