ON 6/30/01, WHEN I STARTED THE CAR IN MY HOUSE GARAGE AND HEARD A DEAFENING EXPLOSION WITH A BIG SMOKE THAT LIKE A BOMB EXPLODED. MY DAUGHTER AND I WAS SHOCKED UNCONSCIOUSLY FOR SECONDS. AFTER CHECKING AND FOUND THAT EXPLOSION CAUSED BY BATTERY WHICH I REPLACED IN SEPT. 1999 WITH WONDRIES NISSAN. AT THAT TIME I WAS TOLD IT HAD 4 YEARS WARRANTY. ON 7/2/01 8:00 A.M., I CALL NISSAN (800-647-7261) AND TALKED TO MS. MENDOZN. SHE ASKED ME TO TOW MY VAN TO THE NEAREST DEALOR GUNDERSON NISSAN. AFTER CHECKING, I WAS TOLD THE ALTERNATOR IS OVER CHARGED AND CAUSED THE BATTERY EXPLOSION. FOR THIS KIND OF PROBLEM, NISSAN WON'T TAKE ANY RESPONSIBILITY FOR THIS INCIDENT, AND I SHOULD PAY FOR REPLACING THESE TWO DEFECTIVE PARTS. I AM VERY ANGRY ABOUT THIS KIND OF ANSWER. I THINK NISSAN SHOULD TAKE RESPONSIBILITY FOR THIS INCIDENT FOR FOLLOWING REASONS: 1. I JUST GOT 60,000 MILES MAINTENANCE SERVICE WITH WONDRIES NISSAN IN THIS FEBRUARY AND THEY SHOULD FIND SOMETHING WRONG. 2. THIS IS UNNORMAL AND VERY DANGEROUS INCIDENT. IT WILL CAUSE A CAR ACCIDENT IF THIS HAPPENED ON THE FREEWAY OR CAUSE A FIRE, BECAUSE THE PARTS PROBLEMS. 3. THE CAR DESIGNER SHOULD PREDICT THIS KIND OF PROBLEM AND DESIGN THE SAFETY MEASURE. I HOPE YOU CAN INVESTIGATE THIS INCIDENT.*AK