2008 BUICK LACROSSE Equipment Problems

I HAVE HAD TWO FAILURE INCIDENTS WITH THE JACK AND THE LUG WRENCH THAT CAME WITH MY VEHICLE FROM BUICK. APPROXIMATE 1 YEAR AGO I WAS USING THE JACK FOR THE FIRST TIME AND IT CAME APART WITH THE VEHICLE RAISED ON IT. BUICK REPLACED THE JACK. I WAS USING THE REPLACEMENT JACK FOR THE FIRST TIME LAST WEEK AND THE ORIGINAL LUG WRENCH SPLIT AT THE SOCKET END. THIS WAS THE SECOND TIME THIS WRENCH WAS USED. I AM CONCERNED THERE IS SOMETHING WRONG WITH THE JACK/WRENCH DESIGN OR METAL IT IS MADE OUT OF. I HAVE CONTACTED BUICK ABOUT THE PROBLEM BUT HAVE NOT HEARD BACK FROM THEM. *TR

REMOTE, REMOTE STARTER (RKE) FOB FOR CAR STOPPED WORKING PROPERLY. REPLACED BATTERIES EVEN THOUGH DIC DID NOT SHOW BATTERIES NEEDED CHANGING. THIS MAYBE A PROBLEM ALSO. SOMETIMES IT WORKS, SOMETIMES IT DOESN'T. WORKED PERFECTLY FINE, THEN PROBLEMS STARTED. 99% OF THE TIME IT WILL NOT START THE CAR. 50% OF THE TIME IT WILL OR WILL NOT, LOCK OR UNLOCK CAR. I HAVE TRIED RESETTING AND/OR PERSONALIZING KEYS & FOB THROUGH DIC CENTER. CAR WILL SOUND HORN TO SHOW IT HAS BEEN RESET PROPERLY, BUT ISN'T. STILL DOES NOT WORK PROPERLY ALSO WHEN USING RKE, THE DOOR LOCK KNOB WILL NOT COME UP ALL THE WAY AND THE DOOR IS NOT UNLOCKED. ALSO, THE DOOR LICK KNOW WILL NOT GO DOWN ALL THE WAY IF I USE THE RKE FOB. IF I USE THE KEY TO UNLOCK THE DOOR, THE DOOR KNOB WILL COME UP ALL THE WAY AND THE...