2010 LEXUS ES Electronic Stability Control Esc Problems

1.WHEN BACKING OUT OF THE GARAGE, THE BACKUP SENSOR SOMETIMES STARTS BEEPING WHEN THERE IS NOTHING BEHIND THE VEHICLE. 2.DRIVING CAR ON DAN RYAN EXPRESSWAY. PRESSING LEFT SIDE BUTTONS ON STEERING WHEEL, ATTEMPTING TO CHANGE THE SOUND LEVEL, CHANNEL, OR RADIO MODE (FM1,FM2,AM, ETC.). INSTEAD, NOTHING MAY RESPOND, OR RIGHT SIDE BUTTONS RESPOND; I.E., CAR BEGAN DIALING A PHONE NUMBER (USING BLUETOOTH). TOOK CAR TO MY DEALERSHIP, ORLAND PARK LEXUS OF IL ON NOVEMBER 20, 2017. WAS ADVISED THERE IS NOTHING THEY CAN DO BECAUSE NEITHER OF THESE PROBLEMS HAS OCCURRED IN THEIR PRESENCE. I HAD PREVIOUSLY PAID FOR AN ELECTRONICS TESTING CHECK UP JUST BEFORE MY 7 YEAR EXTENDED WARRANTY EXPIRED (NOVEMBER 2017). I INDICATED THESE SAME TYPES OF CONCERNS. THEY HAD NOT KEPT OF RECORD OF THIS, STATING THEY DID NOT SEE ANY OF THE PROBLEMS THEN EITHER, SO THE CHECK-OUT SHEET (BASED ON MY INITIALLY EXPRESSED CONCERNS)...