2018 Subaru Forester Key Won't Turn

Troubleshooting Common Issues When Your 2018 Subaru Forester Key Won't Turn and How to Resolve Them

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Reviewed by
Aisha
Written by RepairPal Car Genius
Updated January 14, 2025
0%
35% chance it's the
Binding Steering Column/Lock
0%
27% chance it's the
Ignition Switch
0%
20% chance it's the
Ignition Key
0%
18% chance it's
Something else
The most common reasons a 2018 Subaru Forester key won't turn are a binding steering column/lock, an ignition switch issue, or a problem with the ignition key.
  • Binding Steering Column/Lock: A binding steering column or lock can occur due to a worn or damaged steering column assembly or issues with the ignition lock mechanism.
  • Ignition Switch: A faulty ignition switch can prevent the engine from starting or cause intermittent electrical issues, affecting the vehicle's ability to run properly.
  • Ignition Key: A worn or damaged ignition key or ignition cylinder can prevent the key from turning, leading to starting issues.
Proper diagnosis will determine the exact cause of your symptom, saving you money on unnecessary repairs. The diagnostic experts at RepairPal Certified shops have the right tools and experience to solve any symptom.

What are the steps to diagnose why the key won't turn in a 2018 Subaru Forester?

When faced with the frustrating issue of a key that won't turn in your 2018 Subaru Forester, it's essential to adopt a methodical diagnostic approach. Start by examining the key itself; a worn or damaged key can easily hinder ignition. If the key appears intact, check the steering wheel. Sometimes, the steering wheel lock can engage, preventing the key from turning, so gently wiggle the wheel while attempting to turn the key. Next, assess the vehicle's battery; a weak or dead battery can disrupt the ignition system, so ensure it’s fully charged. Additionally, confirm that the gear shift is in the correct position, as many vehicles have safety features that lock the ignition if the car is not in park or neutral. If all these steps fail to resolve the issue, the ignition cylinder may be at fault, which could require professional inspection. By following this structured approach, you can effectively diagnose and potentially resolve the problem with your Subaru's ignition system.

What are the common problems that could cause the key to not turn in a 2018 Subaru Forester?

When dealing with a key that won't turn in a 2018 Subaru Forester, it's essential to understand the common problems that could be at play. One frequent issue is a locked steering wheel, which can occur if the wheel is turned after the ignition is off. To resolve this, gently wiggle the steering wheel while attempting to turn the key. Another possibility is a worn or damaged key; if the key shows signs of wear, consider having a new one made to ensure proper engagement with the ignition cylinder. Additionally, the ignition cylinder itself may be obstructed by dirt or debris, necessitating a thorough cleaning or repair to restore functionality. A dead or weak battery can also prevent the key from turning, so checking the battery's condition is crucial before further troubleshooting. Lastly, if none of these solutions work, a faulty ignition switch could be the culprit, requiring inspection and potential replacement. By systematically addressing these issues, you can effectively troubleshoot the problem and get your Subaru Forester back on the road.

How urgent is it to address the issue of a key that won't turn in a 2018 Subaru Forester?

Addressing the issue of a key that won't turn in your 2018 Subaru Forester is crucial for several reasons. First and foremost, a malfunctioning key can lead to significant inconvenience, disrupting your daily activities and potentially causing delays. More importantly, this issue can pose serious safety concerns; if you find yourself unable to start your vehicle in an emergency, the consequences could be dire. Additionally, ignoring this problem increases the risk of being stranded, as a key that fails to turn completely could leave you unable to drive to a repair shop. Furthermore, timely intervention can prevent further damage to the ignition system or key mechanism, which could save you from incurring more expensive repairs in the future. Therefore, it is essential to address this issue promptly to ensure your safety, maintain your vehicle's functionality, and avoid unnecessary costs.

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