Exterior Lighting Related Problems of the 2023 Subaru Ascent

Exterior Lighting problem

2024 Subaru Ascent – intermittent electrical / ignition-control malfunction vehicle: 2024 Subaru Ascent mileage: approximately 29,000 miles chronology of events August 19 vehicle had been operating normally. First occurrence – grocery store •returned to vehicle after shopping. •opened rear hatch, loaded groceries and closed hatch. •driver's door would not unlock using the key fob or by touching the keyless-access door handle. •reopened and closed rear hatch to determine whether this would reset the condition. Driver's door still would not unlock. •passenger door could be opened. •used the interior passenger-door lock/unlock switch, which successfully unlocked the driver's door and the rest of the vehicle. •entered vehicle, started it normally, drove home and parked it in the garage. Second occurrence – later the same day •opened rear hatch, loaded items and closed hatch. •driver's door was already unlocked; entered vehicle. •vehicle would not start. •pressing start/stop produced no dashboard lights and no apparent electrical activity. •left vehicle and went inside house for several minutes. •upon returning, the vehicle had spontaneously entered an energized accessory/ignition state without anyone operating the start/stop button. •lights, ventilation fan and other accessories were operating. Engine was not running. •vehicle would not start. •start/stop button would not turn the electrical/accessory systems off. •approximately 40 minutes later, the vehicle remained electrically powered and still could neither be started nor shut down. •the negative 12-volt battery terminal was disconnected as the only available means of shutting the vehicle down. The dealer been unable to assess the cause of the issue and suggested driving the vehicle until the problem reoccurs.