To effectively diagnose why the key won't turn in your 2015 Subaru Outback, start with the simplest solutions before progressing to more complex issues. Begin by checking the battery voltage, as a weak battery can lead to electrical problems that prevent the key from turning. If the battery is low, replacing it may resolve the issue. Next, inspect the shift mechanism to ensure the vehicle is securely in park, as a misaligned shift plate can hinder key removal. Pay attention to the brake shift lock; ensure the brake pedal is fully pressed when shifting into park, as a malfunction here can also cause the key to stick. If these initial checks do not yield results, consider examining the park and key sensors, as they may not be communicating properly. A simple wiggle of the key or shifting the car into drive and back to park can sometimes free the key, but this is a temporary fix. Additionally, ensure the steering wheel is not locked, as this can prevent the key from turning. If all else fails, it may be necessary to consult a Subaru dealer for a professional diagnostic, especially if there are underlying issues with the park switch or shifter assembly. By following this structured approach, you can systematically identify and address the problem with your ignition key.

When dealing with a 2015 Subaru Outback where the key won't turn in the ignition, it's essential to understand the common problems that could be at play. One frequent issue is the engagement of the steering wheel lock, which can create pressure on the ignition cylinder. To alleviate this, try turning the steering wheel while attempting to turn the key, as this may disengage the lock. Another potential culprit is the park sensor or park range switch, which can malfunction and prevent the key from turning. If the shifter assembly is dirty or the switch is faulty, cleaning or replacing it may resolve the issue. Additionally, the brake shift lock mechanism can cause problems if the brake pedal isn't fully pressed or if there's a malfunction with the brake light switch. Ensuring the vehicle is in the correct gear and the brake is engaged can help. Electrical issues, such as a faulty key lock solenoid, may also prevent the key from turning, necessitating diagnostic tests to pinpoint the problem. Lastly, if the key lock is activated, following a specific sequence of actions—like engaging the handbrake and shifting gears—can deactivate it. If all else fails, the ignition cylinder itself might need replacement. Understanding these common problems can guide you in troubleshooting and potentially resolving the issue on your own.