2018 Subaru Impreza Key Won't Turn

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

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Reviewed by
Bo Fader
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 Impreza 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 Impreza?

To effectively diagnose why the key won't turn in your 2018 Subaru Impreza, start with a systematic approach that prioritizes simpler solutions before delving into more complex issues. Begin by inspecting the key itself for any signs of damage or excessive wear, as a compromised key can hinder ignition functionality. Next, address the steering wheel lock; gently turn the steering wheel left and right while attempting to turn the key, as this can often resolve the issue if the steering lock is engaged. Ensure that the vehicle is in the correct gear, as the ignition system typically requires the car to be in park or neutral for the key to turn. Additionally, check the battery's condition; a weak or dead battery can disrupt the ignition process. If these steps do not yield results, the problem may lie within the ignition cylinder itself, which could be faulty or worn out. By following this diagnostic approach, you can efficiently identify and address the issue preventing your key from turning.

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

When dealing with a key that won't turn in a 2018 Subaru Impreza, 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 that the key itself may be worn or damaged, making it difficult to engage the ignition; in this case, obtaining a new key from the dealership could be the solution. Additionally, the ignition cylinder might be obstructed by dirt or debris, necessitating a thorough cleaning or repair to ensure smooth operation. A dead or weak battery can also prevent the key from turning, so checking the battery's condition is crucial. If these steps do not resolve the issue, consider inspecting the ignition switch and key tumbler, as faults in these components can also lead to ignition problems. By systematically addressing these potential issues, you can effectively troubleshoot and resolve the key turning problem in your Subaru Impreza.

How urgent is it to address the issue of a key not turning in a 2018 Subaru Impreza?

Addressing the issue of a key that is not turning in a 2018 Subaru Impreza is of utmost urgency due to several critical factors. First and foremost, a malfunctioning key can prevent you from starting your vehicle, leading to significant delays and potential disruptions in your daily routine. This inconvenience is compounded by the risk of being stranded, especially in unfamiliar or unsafe locations, which can pose serious safety concerns. Moreover, neglecting this problem can result in further damage to the ignition system or the key mechanism itself, ultimately leading to more extensive and costly repairs. Therefore, it is essential to take immediate action to diagnose and resolve the issue, ensuring both the functionality and safety of your vehicle.

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