2018 Lincoln MKC Key Won't Turn

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

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Reviewed by
Devin Cabugcal
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 Lincoln MKC 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 Lincoln MKC?

When troubleshooting the issue of a key not turning in a 2018 Lincoln MKC, it's crucial to follow a methodical diagnostic approach that emphasizes simpler solutions first. Begin by inspecting the key for any signs of damage or wear, as a compromised key can prevent it from engaging the ignition. Next, check the steering wheel; gently turning it left and right while attempting to turn the key can often resolve the problem if the steering lock is engaged. Additionally, confirm that the gear shift is properly positioned in Park or Neutral, as an incorrect gear selection can obstruct the key's movement. It's also important to assess the vehicle's battery, since a weak or dead battery can interfere with the ignition system's functionality. If these initial checks do not resolve the issue, the ignition cylinder itself may be faulty, necessitating a professional inspection or replacement. By systematically addressing these potential causes, you can effectively diagnose and resolve the ignition problem in your Lincoln MKC.

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

When faced with the frustrating issue of a key that won't turn in a 2018 Lincoln MKC, it's essential to consider several common problems that could be at play. One of the first things to check is whether the steering wheel is locked, as this can often prevent the key from turning. Gently moving the steering wheel left and right while attempting to turn the key may resolve the issue. If that doesn't work, inspect the key itself for any signs of wear or damage, as a compromised key may not engage the ignition cylinder properly. In such cases, obtaining a new key from the dealership could be necessary. Additionally, dirt or debris in the ignition cylinder can hinder the key's movement, so cleaning the cylinder might be a viable solution. It's also important to rule out a dead battery, as a low battery in the key fob can affect its functionality; testing with a spare key can help determine if this is the issue. Lastly, if all else fails, a faulty ignition switch may be the culprit, which would require further inspection or replacement by a professional. By systematically addressing these potential problems, you can effectively troubleshoot and resolve the key turning issue in your Lincoln MKC.

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

Addressing the issue of a key not turning in a 2018 Lincoln MKC is of utmost urgency due to the significant implications it can have on your daily life and safety. When the key fails to turn, it can lead to immediate inconvenience, preventing you from starting your vehicle and disrupting your schedule. More critically, this mechanical failure could pose serious safety risks, especially in emergency situations where reliable vehicle access is essential. Additionally, neglecting this issue may result in further damage to the ignition system or key mechanism, leading to more extensive and costly repairs in the future. By prioritizing the resolution of this problem, you not only ensure your vehicle's reliability but also gain peace of mind, knowing that you can depend on your Lincoln MKC for your daily needs. Therefore, it is crucial to take action promptly to mitigate these risks and maintain the integrity of your vehicle.

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2018 Lincoln MKC Key Won't Turn: Causes & Solutions