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Nov 21, 2025 | 03:58 AM

Rgordon849

Thread Starter

8th Gear

Joined: Jan 2025

Posts: 8

Likes: 4

Navigation

I have a 2020 rx 350 and need to replace the navigation disk. How do u do this? The dealer’s cost is ridiculous and this seems simple. Any ides/suggestions would be appreciated.

Nov 21, 2025 | 08:59 AM

shq

Pit Crew

Joined: Mar 2018

Posts: 114

Likes: 27

From: Alberta

I'm assuming you meant the SD card.
You can't just change it and upgrade the maps, a dealer has to do it AFAIK.

Nov 21, 2025 | 09:08 AM

jcg0324

Instructor

Joined: Feb 2021

Posts: 835

Likes: 408

From: PA

Quote:

Originally Posted by shq

I'm assuming you meant the SD card.
You can't just change it and upgrade the maps, a dealer has to do it AFAIK.

The dealers seam to have the upper hand here. Not good. They will charge you a fortune, Too bad.

Last edited by jcg0324; Nov 21, 2025 at 09:16 AM.

Nov 21, 2025 | 09:28 AM

Rgordon849

Thread Starter

8th Gear

Joined: Jan 2025

Posts: 8

Likes: 4

Thanks. I was afraid of that..

Nov 21, 2025 | 09:28 AM

Rgordon849

Thread Starter

8th Gear

Joined: Jan 2025

Posts: 8

Likes: 4

Thanks.. I was afraid of that.

Nov 21, 2025 | 10:55 AM

Randyp1234

Instructor

Joined: Mar 2017

Posts: 858

Likes: 327

From: Illinois

Quote:

Originally Posted by Rgordon849

I have a 2020 rx 350 and need to replace the navigation disk. How do u do this? The dealer’s cost is ridiculous and this seems simple. Any ides/suggestions would be appreciated.

I have no idea if this is correct: but try this.

Nov 21, 2025 | 11:09 AM

Rgordon849

Thread Starter

8th Gear

Joined: Jan 2025

Posts: 8

Likes: 4

Thanks. I will investigate and try.

DYNAMIC NAV RENEWAL

Part Number: LEXU00CY1721
Supersession(s): LEXU0-0CY17-21; LEXU00CY1719Dynamic Navigation is a cloud base service that offers:

Updated Points of Interest
Improved routing
Latest maps from the cloud

The Lexus app is required to complete this update. If you have not used the Lexus app before it is required to install, create an account, select Dynamic Navigation Renewal and follow the instructions on the app to ensure your vehicle is ready to be updated before purchasing this product. This will require you to go to your vehicle and should take approximately 5 minutes to check eligibility.

Once you have ordered a Dynamic Navigation Renewal, your selected dealer will ship the part to the address specified. To complete the install you will need to return to the Lexus app and follow the instructions to complete installation. This will require you to go to your vehicle and should take approximately 45 minutes to complete the update.

Performing the update will enable Dynamic Navigation service for 2 additional years from the date of install. Once a purchase is made, this part is non-refundable and non-returnable.