2004 TRAILBLAZER HAS 40 SECOND TURN ON OF HEADLIGHTS AND BACK UP LIGHTS WHEN REMOTE KEY USED TO UNLOCK DOORS. THIS HAS ON 2 OCCASIONS HAS CAUSED VEHICLES IN TRAVEL LANES TO SUDDENLY BRAKE BECAUSE WITH THE BACK UP LIGHTS ON BLAZER APPEARS TO BE BACKING INTO TRAFFIC. SOLUTION: ONLY OCCURS AFTER DARK, SO MUST BE RELAYED THRU DAYLIGHT RUNNING DETECTOR. NEEDS TO DO AS BRAKE AND TURN SIGNALS DO, FLASH ON AND THEN OFF. HEADLIGHTS HAVE STAYED ON SHINING INTO A GROUP WHO THREATEN ME WITH BODILY HARM. DEALER SAID A GM PROBLEM, THEY CAN'T CHANGE. HAD 2002,2001,1998 BLAZERS, NEVER A PROBLEM. *AK
2002
AIR BAGS:FRONTAL:SENSOR/CONTROL MODULE
CRASH AT 35 MPH (FRONT END SQUARE) DRIVER AND PASSENGER AIR BAGS FAILED TO DEPLOY.