2009 Lincoln MKS Key Won't Turn

Troubleshooting Common Issues When Your 2009 Lincoln MKS Key Won't Turn and How to Resolve Them

Find Repair Location
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 2009 Lincoln MKS 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 could be causing the key to not turn in the ignition of a 2009 Lincoln MKS?

When faced with the frustrating issue of a key that won't turn in the ignition of your 2009 Lincoln MKS, it's essential to adopt a methodical diagnostic approach. Start by checking for the simplest problems first, such as ensuring that the steering wheel isn't locked; gently turning it left and right while attempting to turn the key can often resolve this issue. Next, inspect the key itself for any signs of wear or damage, as a compromised key may need to be replaced. If the key appears fine, move on to the ignition cylinder, which could be faulty or worn out, necessitating repair or replacement. Additionally, verify that your vehicle's battery is in good condition, as a dead or weak battery can prevent the ignition system from functioning properly. If these steps do not yield results, consider the possibility of a defective ignition switch, which may require inspection and replacement. Lastly, check for any debris or obstructions in the keyway that could be hindering the key's movement; a simple cleaning might do the trick. By following this structured approach, you can effectively diagnose and potentially resolve the issue without immediately resorting to professional help.

What are the common issues that could cause the ignition key to not turn in a 2009 Lincoln MKS?

When dealing with the frustrating situation of an ignition key that won't turn in a 2009 Lincoln MKS, it's essential to consider several common problems that could be at play. One of the first things to check is whether the transmission is inadvertently left in Drive or Reverse, as this can prevent the key from turning. If the transmission is in the correct position, the next step is to inspect the ignition switch, which may be faulty and require replacement. Additionally, if the key feels stiff or requires excessive force to turn, this could indicate an issue with the ignition cylinder or the key itself, necessitating further examination. It's also worth checking the steering wheel lock mechanism, as a malfunction here can hinder the key's movement. Lastly, ensure that the vehicle's ignition system is functioning properly; a dead battery or a malfunctioning alternator can also lead to the key not turning. By systematically diagnosing these potential issues, DIYers can effectively address the ignition key problem and restore functionality to their vehicle.

How urgent is it to address the issue of a key not turning in a 2009 Lincoln MKS?

Addressing the issue of a key not turning in your 2009 Lincoln MKS is more urgent than it may initially seem. Ignoring this problem can lead to significant inconveniences, such as being unable to start your vehicle when you need it most, which can disrupt your daily schedule and pose safety risks. A key that fails to turn could indicate underlying issues like a worn key, steering lock problems, or even battery failures, all of which can escalate if not addressed promptly. For those inclined to tackle the problem themselves, there are several DIY solutions worth exploring, such as adjusting the steering wheel or checking the gear position, which may resolve the issue without the need for professional assistance. However, forcing the key to turn can exacerbate the situation, potentially damaging the ignition system further. Therefore, taking immediate action not only helps prevent further complications but also ensures the reliable operation of your vehicle, making it essential to address this issue as soon as it arises.

You’ve got options with RepairPal

Whether you need a more accurate auto repair estimate or help finding a reputable shop in your area, we’ve got you covered.

2009 Lincoln MKS Key Won't Turn: Causes & Solutions