Subaru Forester electrical problems

THE BATTERY ON MY 2017 FORESTER HAS BEEN REPLACED UNDER WARRANTY THREE TIMES AFTER BEING FOUND DEAD. ALL THREE TIMES SUBARU HAS SAID IT WAS A BAD BATTERY. THE BATTERY COULDN'T BE JUMPED AND MY MECHANIC SAID IT WAS AN ELECTRICAL ISSUE IF IT HAPPENED MORE THAN ONCE. LUCKILY IT WAS AT MY HOUSE ALL THREE TIMES SO ONLY A SIMPLE TOW. IF THIS HAPPENED 300 MILES OFF ROAD, IT WOULD BE A MASSIVE ISSUE.

TWICE LAST WINTER I NEEDED TO JUMP START THE VEHICLE BECAUSE THE BATTERY HAD BEEN DRAINED. THIS OCCURRED AFTER THE VEHICLE WAS UNUSED FOR A PERIOD OF TIME. WE LATER REALIZED THAT THE CONTROLLER AREA NETWORK (CAN) WAS OPERATING EVEN WHEN THE VEHICLE WAS TURNED OFF. WE LEARNED THIS WHEN WE HEARD A WHIRRING NOISE COMING FROM THE CAR AT TIMES WHEN IT WAS PARKED IN THE GARAGE AND NOT BEING USED. THE DEALERSHIP TOLD ME THIS WAS NORMAL, AND THE CAR WAS DOING WHAT IT SHOULD. DRAINING THE BATTERY IS NOT NORMAL.

WHEN ATTEMPTING TO LEAVE OUR HOME DRIVEWAY ON FRIDAY, APRIL 2ND, 2021 (APPROXIMATELY 4PM LOCAL TIME), THE IGNITION BUTTON FAILED TO START THE CAR. INITIALLY, POWER WAS RUNNING TO THE DASH. I CALLED THE SUBARU EASTSIDE DEALERSHIP IN KIRKLAND, WA WHERE THE CAR WAS PURCHASED. THEY TOLD ME TO CALL ROADSIDE ASSISTANCE, WHICH I DID THE FOLLOWING MORNING. WHEN MY WIFE AND I MOVED OUR CAR SEAT AND BELONGINGS TO THE OTHER CAR IN THE DRIVEWAY, THE REAR LIFT GATE STARTED TO MALFUNCTION AND WOULD NOT OPEN (RESULTING IN A REPEATED 3 BEEP SOUND), BLOCKING ACCESS TO MY JUMPER CABLES, WHICH WERE IN THE TRUNK. EVENTUALLY, THE ELECTRICAL SYSTEM STOPPED RESPONDING ALL TOGETHER. WHEN ROADSIDE ASSISTANCE (SENT OUT BY SUBARU ROADSIDE) EVENTUALLY SHOWED UP THE FOLLOWING MORNING, A JUMP START BY THE TECHNICIAN STARTED THE VEHICLE.

BATTERY WAS DRAINED FOR NO REASON AND CAR WOULD NOT START. WHEN TRIED TO START DASH LIGHTS ETC., WENT CRAZY. GAUGE FOR TACHOMETER AND SPEED WHIPPED FROM SIDE TO SIDE, LIGHTS FLASHED ON AND OFF. THE STARTER GAVE THE CLICKING NOISE YOU HEAR WHEN BATTERY IS DEAD. CALLED AAA TO JUMP AND THEY COULD NOT GET IT TO START. I CHARGED BATTERY OVERNIGHT AND THE ENGINE STARTED. TOOK CAR TO DEALER THEY COULD FIND NOTHING WRONG WITH THE BATTERY OR CHARGING SYSTEM. THEY COULD NOT EXPLAIN WHY THIS HAPPENED. I PURCHASED A BATTERY TENDER TO MAINTAIN CHARGE IN BATTERY. I ONLY HAVE 1 CAR AND IT NEEDS TO START WHEN I NEED IT. THIS HAPPENED ON DAY I NEEDED TO TAKE WIFE FOR COVID VACCINE SHOT.

TWICE WE WERE STRANDED AFTER TRYING TO USE THE CAR IN THE MORNING AND IT WAS COMPLETELY DEAD. THERE WAS NO WARNING THE NIGHT BEFORE. WE'VE TAKEN IT TO THE DEALER AND THEY HAVE REPLACED THE BATTERY - AT 20,000 MILES! GETTING ROAD SERVICE WAS VERY DIFFICULT, SINCE THE CAR IS HARD TO REACH IN A GARAGE ON A HILL. ANOTHER TIME MY WIFE DROVE 15 MILES WITH A CONSTANT BEEPING DUE TO THE REAR GATE LATCH NOT CLOSING PROPERLY. WE HAVE RESET THE THING DOZENS OF TIMES.