WITHOUT WARNING OIL CONSUMPTION WENT FROM NORMAL TO OVER 1 QUART PER 1000 MILES. THIS IS A KNOWN DEFECT WHICHTOYOTA NOTIFIED ITS CUSTOMERS OF, GM CHOOSE NOT TO NOTIFY. THIS EXCESSIVE CONSUMPTION, NOT LEAKING RESULTED IN A SEIZED ENGINE. GM IS NOT ACCEPTING ANY RESPONSIBILITY AND I BELIEVE THEY OWE ME EITHER A FULL REPAIR, OR PRE-EVENT MARKET VALUE. WHILE THEY ORIGINALLY OFFERED TO COVER 2/3 OF THE REPAIR THEY HAVE BACKED AWAY FROM THAT OFFER OFFERING A $2500 CUSTOMER LOYALTY ON A PURCHASE, BOTH ARE UNSATISFACTORY TO ME, AS THEY WERE MADE AWARE OF THE PROBLEM AND CHOSE NOT TO NOTIFY OWNERS. CAR WITH PASSENGER WAS IN THE HOA LANE WHEN ENGINE FAILED CAUSING A 7 LANE TRANSITION WITHOUT POWER. CAR WAS TOWED, NO CRASH DUE TO THE EXPERIENCE OF THE DRIVER.