Key Won’t Turn in Car: Causes and Solutions

It can be a frustrating and confusing experience when your key won’t turn in ignition. To help, we’ve put together the ultimate troubleshooting guide to help you quickly identify the issue and find a solution. From common causes like a worn-out key or steering wheel lock to more complex problems like an ignition problem, we’ll walk you through practical fixes to get you back on the road without breaking the bank. 

 

Understanding the Car Ignition System

Before tackling why your key won’t turn in ignition, it’s helpful to understand how the car ignition system works. The ignition system is responsible for starting your engine and ensuring it runs smoothly. When you insert and turn the key, multiple components work together, including the ignition switch, ignition cylinder, steering wheel lock, and the electrical system. 

Here’s a quick overview of the ignition process: 

• Insert the Key: The ignition cylinder recognises the key, unlocking the ignition system. 

• Turn the Key: This action activates the ignition switch, powering up the car’s electrical components. 

• Start the Engine: The electrical system engages, igniting the fuel and starting the engine. 

• Steering Wheel Lock: This lock disengages when the key turns, allowing you to steer.

7 Common Reasons Why Your Car Ignition Key Won’t Turn and How To Solve

Now that you have a basic understanding of the car ignition system, let’s explore the common issues why you’re facing a car key not turning situation:  

Issue #1: Locked Steering Wheel

 The steering wheel lock is one of the most common reasons for a car ignition not turning. When the steering wheel is turned, it engages a mechanism that locks it in place. This feature is designed to prevent the car from rolling when parked. However, if the steering wheel lock is engaged, it can prevent the ignition key from turning. 

What to Do

1. Firmly grip the steering wheel. 

1. Try turning the key while gently moving the steering wheel from side to side. 

1. Apply steady pressure to the key while attempting to turn it. 

Issue #2: Faulty Ignition Cylinder 

Another common culprit behind a car ignition not turning is a faulty ignition cylinder. Over time, the ignition cylinder can become worn or damaged, making it difficult for the key to engage properly. 

 What to Do 

1. Ensure that the key you use is correct for your vehicle. 

1. Wiggle the key gently while attempting to turn it. 

1. If the key still doesn’t turn, try another key if available to rule out a problem with the key itself. 

If none of these steps work, ignition barrel replacement may be necessary. Consult a professional mechanic or an auto locksmith for further assistance. 

Issue #3: Worn-out, Damaged, or Dirty Key

A worn-out, damaged, or dirty key is another common reason for a key not turning in ignition. Over time, the teeth on the key can wear down or get filled with debris, making it difficult for the key to engage with the ignition cylinder. These are typical signs you need a new car key to prevent these issues from stopping your car from starting.  

What to Do

1. Inspect the key for signs of wear, such as rounded or damaged teeth, and dirt. 

1. Try using a spare key, if available, to see if it turns more easily. 

1. If the spare key works, consider getting a new key cut by a locksmith or your vehicle’s dealership. 

Car key replacement is a simple and cost-effective solution to this problem. 

Issue #4: Dead Battery

A dead car battery can also prevent your car ignition key from turning. If the battery is completely discharged, there may not be enough power to engage the ignition switch and start the engine. 

What to Do

1. Check if any lights or accessories in your vehicle are working. If not, it’s likely a dead battery. 

1. Jump-start your car using jumper cables and another vehicle with a working battery. 

1. Once the car starts, allow it to run for a while to recharge the battery. 

The issue may lie elsewhere if the ignition key still won’t turn after jump-starting the car. 

Issue #5: Ignition Switch Problems 

The ignition switch itself can be the source of the problem. The ignition switch is a complex electrical component that controls the power flow to the ignition system and other electrical systems in the vehicle. 

What to Do

1. Check if other electrical components, such as the headlights or radio, work. If not, the issue may be with the ignition switch. 

1. Inspect the ignition switch for any signs of damage or loose connections. 

1. If you suspect a faulty ignition switch, it’s best to consult a professional mechanic for diagnosis and repair. 

Issue #6: Your Car Isn’t Off

It sounds simple, but sometimes the reason your car won’t start is because it’s still on. If you’ve tried starting the engine and nothing happens, check if you’ve turned the key or pushed the button all the way off. Modern cars, especially with push-start systems, can be a little tricky.  

If the vehicle isn’t completely powered down, it won’t allow you to start it again. Many drivers overlook this, especially if they’re in a rush or distracted. It’s an easy fix once you know what to check. 

What to Do

1. Turn the key to the “off” position or press the start/stop button until the dashboard goes dark. 

1. Wait a few seconds for the car’s system to fully shut down. 

1. Turn the key or press the button again to start the engine. 

Issue #7: Your Automatic Isn’t in Park

If you drive an automatic, the car needs to be in “Park” for the engine to start. This is a safety feature to prevent the car from moving while you start it. If your car is in “Drive” or “Neutral,” you’ll likely hear a warning beep or see a flashing light on the dashboard. 

This happens more often than you’d think. Especially if you’re parked on an incline, or if the gear shift was bumped while exiting the vehicle. 

What to Do

1. Check the gear shift and ensure its firmly in “Park.” 

1. If the gear lever seems stuck, press down on the brake and try shifting it again. 

1. Once it’s in “Park,” turn the key or push the start button. 

If the car still won’t start, there may be an issue with the transmission or the gear shift sensor, but always start by confirming it’s in the right gear. 

When to Seek Professional Help

While many ignition key problems can be resolved with basic troubleshooting, there are instances where professional help is necessary. If you are unsure about attempting any repairs yourself or if the issue persists despite your troubleshooting efforts, it’s best to consult a qualified mechanic. They can diagnose the problem and provide the appropriate repairs, such as replacing the key or the ignition barrel.   

FAQs

What do I do if my key won’t turn in the ignition?

If your key won’t turn in the ignition, there are a few common reasons for this. These could be steering wheel locked, key wear, or ignition cylinder issues. Use our troubleshooting guide above, or contact Car Keys Solutions for help.  

What do I do if my key won’t turn in the ignition and the steering wheel is locked Subaru?

Subaru vehicles, like many others, have a built-in steering lock feature. This engages when the car is turned off and prevents the key from turning in the ignition until the steering wheel is unlocked. If your key won’t turn and the steering wheel is locked, this is likely the issue. 

Why won’t my VW key turn in the ignition?

Volkswagen cars are known for their robust engineering. However, sometimes even they can encounter issues with the ignition. If your VW key won’t turn in the ignition, it could be due to steering lock, worn key or ignition barrel, or electrical issues. Remember, if the issue persists or you need clarification on any repairs, it’s always best to seek professional assistance.