You can now remove the USB Drive and shut off the engine or go about the rest of your day.
Select Software Update (you may need to scroll down to view this option) then select UPDATE, again.Press SETUP- to get to SETUP you will first press the MENU button on your remote touch for the car’s navigation system, then select SETUP from the navigation menu.Wait for the start-up image to cycle through or wait until you see your map on the NAV screen before putting in the drive. After the LEXUS emblem is displayed on the navigation screen, you can then insert the USB Flash Drive into the vehicle USB port. Note: the entire process may take up to 15 minutes. Take the USB Flash Drive to your vehicle and keep it parked in a well-ventilated open area outside, suitable for running the engine ( safety first!), not in an enclosed structure such as a garage.You can also print, email or view a tutorial video on the installation process.
Check file is on the USB Drive after the download is complete.After download is complete, copy the file to the USB Flash Drive.Choose “SAVE” to download the file to the default “DOWNLOADS” folder on your computer.Once on the site ( click here to go to the site now) and you have your vehicle selected, click DOWNLOAD.Here are the steps as outlined by Lexus for a 2015 RC 350 with Navigation… All you need is a blank 2GB or larger USB Flash Drive and a computer. The multimedia update itself appears to be pretty simple.
Did you know you can now download and update your Lexus multimedia system yourself? Easily accessible from the Lexus Drivers site, Lexus owners can select their model and multimedia system from a drop-down menu then follow the instructions on how to update their Lexus multimedia system without having to make a trip to the dealership.