How do I replace the tumbler switch

Hello,

In order to replace the ignition lock cylinder, you will have to remove the steering wheel.
Keep in mind that any time you work around air bag module, take extra precaution. Never point the air bag inflator towards you.

Here is a helpful guide:

https://www.2carpros.com/articles/steering-wheel-removal

I have attached diagrams for your reference.

Please let me know if you have any questions.
Thank you.