Lincoln LS Key Won't Turn

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

Find Repair Location

Reviewed by

Bo Fader

Written by RepairPal Car Genius

Updated January 14, 2025

35% chance it's the

Binding Steering Column/Lock

27% chance it's the

Ignition Switch

20% chance it's the

Ignition Key

18% chance it's

Something else

The most common reasons a Lincoln LS 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 best Lincoln repair shops?

RepairPal Certified shops can diagnose and repair your Lincoln LS electronics and electrical issues. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.

Troubleshooting Key Ignition Issues in a Lincoln LS

When troubleshooting key ignition issues in your Lincoln LS, it's essential to adopt a methodical diagnostic approach. Start by checking the simplest potential problems first, such as ensuring that the gearshift lever is in the "P" position for automatic transmissions or that the clutch pedal is fully depressed for manual ones. This can often resolve issues with a stuck ignition key. Next, inspect the steering column for any binding or locking that may prevent the key from turning. If these initial checks do not yield results, focus on the ignition switch itself, as it may be malfunctioning. Testing the ignition switch can reveal whether the issue lies within the switch or if it’s related to the key's position. If the vehicle still fails to crank, examine the battery cables and connections, as poor contact can lead to starting issues. By following this structured approach, you can effectively diagnose and address key ignition problems, ensuring a smoother and more efficient troubleshooting process.

What to Do When Your Lincoln LS Key Won't Turn?

When your Lincoln LS key won't turn, understanding the common problems that could be causing this issue is crucial for effective troubleshooting. Start by ensuring that the transmission is in Park and the parking brake is engaged, as many models are designed to prevent the key from turning if these conditions aren't met. If your key appears worn, trying a spare key can help determine if the issue lies with the original key or if it indicates a deeper problem, such as a faulty ignition lock cylinder. Additionally, the steering wheel lock can sometimes interfere with key operation; gently moving the steering wheel while attempting to turn the key may resolve this. It's important to avoid forcing the key, as this can lead to further damage. If you hear clicking sounds or see lights when turning the key, it may suggest electrical issues, such as a weak battery or corroded battery cables, which should be inspected and addressed. Lastly, if your vehicle has remote entry features, reprogramming the transmitters according to the owner's manual may also help with key recognition problems. By systematically addressing these common issues, you can effectively troubleshoot and potentially resolve the key turning problem in your Lincoln LS.

What to Do When Your Lincoln LS Key Won't Turn?

When faced with the frustrating situation of your Lincoln LS key not turning, it’s crucial to act promptly to prevent potential safety risks and avoid costly repairs. Ignoring this issue can lead to more significant problems, such as ignition lock failure or electrical malfunctions, which may leave you stranded or unable to start your vehicle. Start by examining the condition of your key; a worn key can hinder ignition and should be replaced if necessary. Additionally, ensure that your vehicle is in Park and that the parking brake is engaged, as these are common requirements for the ignition system to function properly. If the steering wheel is locked, gently rocking it while attempting to turn the key can often resolve the issue. If these initial steps do not yield results, consider checking for electrical issues, such as battery voltage at the starter, which could indicate deeper problems. Addressing these symptoms early on is essential not only for your convenience but also for the safety and reliability of your vehicle.

Related Lincoln LS Problems

Read about related problems experienced by other Lincoln LS drivers like you.

Lincoln LS car shaking and not moving despite pressing gas pedal

Some Lincoln LS owners report experiencing shaking and a lack of movement despite pressing the gas pedal, which can be attributed to several potential issues. Misfiring cylinders are commonly cited as a cause of this shaking when the vehicle is stationary. Additionally, bad motor mounts may contribute to engine vibrations, particularly at idle. Engine damage is another serious concern that can result in poor performance and shaking. In colder conditions, extreme engine shaking and difficulty moving may be linked to low brake pressure or other mechanical problems. Some owners also notice vibrations at specific speeds, such as 41 mph or when reaching 50 mph, which could indicate issues with the carrier bearing or driveshaft. Furthermore, a hard brake pedal may suggest a significant air vacuum leak, potentially leading to misfires due to a lean fuel mixture. It is recommended that owners experiencing these symptoms have their Lincoln LS inspected by a qualified mechanic to prevent further damage and ensure safety.

1 model year affected

Subaru Forester ignition cylinder issue preventing key extraction, likely requiring part replacement

Some Subaru Forester owners report experiencing issues with the ignition cylinder, such as difficulty in inserting or removing the key and struggles to turn it, which may indicate damage requiring part replacement. Many owners caution against applying undue pressure to extract a stuck key, as this could lead to the key breaking inside the ignition. In cases where the key is stuck due to mechanical issues, some find that jiggling the key can help free it. Additionally, when the key won't turn, it is advisable to check the battery voltage and adjust the steering wheel and gear shift while gently turning the key. Specific problems like mechanical parts locking or electrical malfunctions can also contribute to a stuck key. Furthermore, wear and tear on the ignition cylinder or faulty wiring can prevent the key from turning properly. For accurate diagnosis and potential part replacement, seeking the assistance of a professional mechanic is recommended.

2 model years affected

See More Lincoln LS Problems

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.

Find a Certified ShopThe largest certified network of auto repair shops

Get a Fair Price EstimateHundreds of repair estimates honored nationwide

Check for Safety RecallsUse VIN or license plate to see if your vehicle is affected

Exceptional warranty

Shops offer at least a 12-month or 12,000-mile warranty.

Satisfied customers

We ensure high satisfaction through verified customer reviews.

Transparent pricing

You'll get a Fair Price Guarantee on all RepairPal estimates.

Millions trust us for auto repair — RepairPal Certified^® locations must pass a rigorous approval process to ensure quality, customer satisfaction, and fair pricing.

Find a Repair Location