I WAS TRAVELING AT 40 MPH THROUGH A CITY STREET INTERSECTION. MY CAR WAS T-BONED ON THE DRIVER'S SIDE WITH SUCH FORCE THAT MY CAR WAS SPUN AROUND ALMOST 180 DEGREES. 80% OF THE IMPACT WAS ON THE DRIVER'S REAR DOOR, 20% ON THE DRIVER'S DOOR. THE SIDE AIRBAGS DID NOT DEPLOY, THIS INCLUDED A CAR EQUIPPED WITH SIDE/CURTAIN AIRBAGS. I HAD ISSUES PREVIOUSLY WITH THE WINDOWS PROPERLY WORKING AND HAD ALL COMPONENTS MINUS THE ELECTRICAL SYSTEM REPLACED ON THE DRIVER'S DOOR AND A PASSENGER DOOR. THERE WERE A FEW OTHER ODDITIES AT TIMES WITH THE ELECTRIC SYSTEM OF THE JETTA. CONSIDERING THE FORCE OF THE IMPACT I SUSPECT AN ELECTRICAL GLITCH WITH THE SENSORS OR SOME OTHER PROBLEM THAT PREVENTED THE AIRBAGS FROM DEPLOYING. THE DAMAGE WAS EXTENSIVE ENOUGH THAT THE CAR WAS TOTALED.