Lexus NX350 Key Won't Turn

Troubleshooting Common Issues When Your Lexus NX350 Key Won't Turn and How to Resolve Them

Find Repair Location
Reviewed by
Andrew Hajjar
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 Lexus NX350 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.

Troubleshooting Key Ignition Issues in a Lexus NX350

When faced with key ignition issues in your Lexus NX350, start by ensuring that you are using the correct key for your vehicle, as using a damaged or incorrect key can lead to ignition problems. Next, check the steering wheel; if it is locked, gently turn it left and right while attempting to turn the ignition key, as this can often release the lock mechanism. Additionally, confirm that your vehicle is in the 'Park' position if it has an automatic transmission, as this is a common requirement for the ignition to function properly. If these initial steps do not resolve the issue, consider inspecting the ignition switch for any signs of malfunction or wear. If the problem persists, it may indicate a more complex issue, such as a binding steering column or a faulty ignition switch, which would require professional diagnosis and repair. By following this methodical approach, you can effectively troubleshoot and potentially resolve key ignition issues in your Lexus NX350 before seeking professional help.

What to Do When Your Lexus NX350 Key Won't Turn?

When faced with the frustrating issue of your Lexus NX350 key not turning, it's essential to understand the common problems that could be at play. One frequent culprit is a binding steering column or lock, which can prevent the key from being fully inserted or turned. If you find that the key only goes in halfway, gently adjusting the steering wheel while attempting to turn the key may help unlock it. Another possibility is a malfunctioning ignition switch; if the key is fully inserted but won’t budge, this could indicate an internal issue that may require professional attention. Additionally, inspect the key itself for any signs of bending or damage, as a compromised key can hinder ignition functionality. If you've recently changed the battery in your key fob or experienced electrical interference, this could also impact the key's performance. By systematically checking these common problems, you can often identify the root cause and take the necessary steps to resolve the issue, potentially saving time and money on professional repairs.

What to Do When Your Lexus NX350 Key Won't Turn?

When your Lexus NX350 key won't turn, it's essential to address the issue without delay to prevent potential safety hazards or further damage to your vehicle. Start by checking for a binding steering column or lock, as this is a frequent cause of ignition problems. If the steering wheel is locked, try gently moving it from side to side while simultaneously attempting to turn the key, which may help release the lock. Next, inspect the ignition switch for any signs of malfunction, as a faulty switch can also prevent the key from turning. Additionally, examine the key itself for any bends or damage that could interfere with its operation. If these troubleshooting steps do not resolve the issue, seeking assistance from a qualified mechanic or your local Lexus dealership is advisable. Promptly addressing these symptoms is crucial, as neglecting them could lead to more significant issues and compromise your vehicle's safety and functionality.

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.

Lexus NX350 Key Won't Turn? Causes & Solutions | RepairPal