2017 HYUNDAI AZERA Electrical System Problems

ELECTRICAL SYSTEM SEEMS LIKE IT IS SHORTING OUT. HAD TO UNHOOK RADIO AS IT WAS DRAINING BATTERY. IT SHORTED AND MAKES A SCREACHING SOUND WHEN ON. SEAT WAS COVERED BY RECALL. AUTO START NO LONGER WORKS. LIGHTS SHORTING OUT. NOW IT STARTS EVEN MOVES SOMETIMES BUT THEN LOSES ITS ACCELERATOR. YOU CAN PRESS THE GAS AND NOTHING HAPPENS. THIS HAPPENED WHILE I WAS DRIVING, AND NOW WILL ONLY MOVE BY TRANSMISSION POWER. NO GAS PEDAL POWER AT ALL.

CAR WAS DRIVEN ON HIGHWAY W/ 1300 MILES ON IT (BRAND NEW LEASE) WITH NO TRAFFIC AROUND VEHICLE WHEN FRONT END COLLISION WARNING ALERT AND ELECTRONIC POWER BRAKE ALERT LIGHTS CAME ON; ONCE ABLE TO GET TO A SAFE STOPPING AREA (PARKING LOT), CAR WAS PUT IN PARK AND OWNERS MANUAL REVIEWED TO SEE WHAT THE WARNING, ALERT LIGHTS & SOUNDS RELATED TO. WHEN ATTEMPTING TO PUT INTO GEAR THE GEAR SHIFT WOULD NOT MOVE FROM PARK. CALLED DEALER ~ WAS TOLD TO SHUT OFF CAR AND TRY AGAIN AS "SOMETIMES THIS CAN HAPPEN IF TOO CLOSE TO A CAR OR IF IT IS RAINING" (NEITHER APPLIED) BUT CAR WENT IN TO GEAR THEN DRIVEN TO DESTINATION. TWO HOURS LATER BACK IN CAR GETTING ON ENTRANCE RAMP OF HIGHWAY AND PICK UP TRUCK IN FRONT OF MINE SLAMMED ON BRAKES, I HIT BRAKES & HIT PICK UP TRUCK HITCH. NO...