WHEN PARKING AT FRIENDS HOUSE WITH STEEP SLOPPING YARD COULD NOT GET CAR STOPPED PRIOR TO HITTING TREE STUMP. IMPACT WAS FRONT BUMPER RIGHT OF CENTER. AIRBAG ON PASSENGER SIDE DEPLOYED BUT FAIL TO KEEP PASSENGER FROM HITTING AND CUTTING TOP OF HEAD ON SUN VISOR AND WIND SHIELD RESULTING IN 25 STAPLES TO TOP OF HEAD. WHEN BAG DEPLOYED IT NEVER WENT HIGHER THAN WHERE IT CAME OUT OF DASH THEN INSTANTLY FELL TOWARDS FLOOR. DRIVER SIDE AIR BAG DID NOT DEPLOY CAUSING DRIVERS CHEST TO STRIKE STEERING WHEEL, ONLY SORE CHEST RESULTED. CONCERNS ARE PASSENGER AIRBAG NOT DEPLOYING PROPERLY AND DRIVERS AIRBAG NOT DEPLOYING AT ALL.*DT*DT*DT*JB*JB*JB