2020 Toyota Yaris Key Won't Turn

Essential Troubleshooting Steps to Resolve Ignition Issues with Your 2020 Toyota Yaris Key

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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 2020 Toyota Yaris 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 2020 Toyota Yaris?

When diagnosing why the key won't turn in a 2020 Toyota Yaris, it's essential to adopt a systematic approach that begins with the simplest solutions before moving on to more complex issues. Start by examining the key itself; a worn or damaged key can hinder its ability to turn in the ignition. Next, check the steering wheel; if it is locked, gently turning it left and right while attempting to turn the key can often resolve the issue. Additionally, ensure that the vehicle is in the correct gear, as automatic transmissions typically require the car to be in Park or Neutral for the ignition to function properly. A weak or dead battery can also be a culprit, so testing the battery's charge is a prudent step. If these basic checks do not yield results, the ignition cylinder may be obstructed by dirt or debris, necessitating a closer inspection or potential replacement. If all else fails, consulting a professional mechanic or locksmith is advisable to accurately diagnose and address the problem. By following this structured diagnostic approach, you can effectively troubleshoot the issue and restore functionality to your vehicle's ignition system.

What are the common problems that could cause the key to not turn in a 2020 Toyota Yaris?

When facing the frustrating issue of a key that won't turn in a 2020 Toyota Yaris, it's essential to consider several common problems that could be at play. One frequent culprit is a locked steering wheel, which can occur if the wheel is turned after the ignition is off. To resolve this, gently wiggle the steering wheel while attempting to turn the key. Another possibility is that the key itself may be worn or damaged, in which case having a new key made at the dealership could be a straightforward solution. Additionally, the ignition cylinder might be faulty or worn, necessitating professional repair or replacement. A dead or weak battery can also hinder the ignition process, so checking the battery's condition is crucial. Furthermore, a defective ignition switch can prevent the key from turning, requiring inspection and potential replacement. Lastly, ensure that the transmission gear shift is fully in park or neutral, as being in the wrong position can block the key from turning. By systematically addressing these issues, you can effectively troubleshoot and resolve the problem of a key that won't turn in your Yaris.

How urgent is it to address the issue of a key that won't turn in a 2020 Toyota Yaris?

Addressing the issue of a key that won't turn in a 2020 Toyota Yaris is of utmost importance due to several critical factors. First and foremost, a malfunctioning key can prevent you from starting your vehicle, leading to significant transportation disruptions and potential delays in your daily activities. Additionally, if the key is stuck in the ignition, it may compromise your vehicle's security, leaving it vulnerable to theft or unauthorized access, especially if you are unable to lock it properly. Ignoring this problem could also result in being stranded in an inconvenient location, which can be both frustrating and unsafe. Furthermore, delaying repairs may exacerbate the situation, potentially causing further damage to the ignition system or key mechanism, ultimately leading to more expensive repairs. Therefore, it is essential to address the issue promptly to ensure the safety, security, and functionality of your vehicle.

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