How can I go about updating the GPS system in a 2014 Toyota Sienna?

To update the navigation system in your 2014 Toyota Sienna, you will need to install the map update toolbox on your computer and download the updates to a flash drive. Once you have completed these steps, you can proceed with updating the map by logging into the Map Update Toolbox. An option will appear on the menu's left side. If an update is not available, the option will be labeled "Device." If an update is available, the option will be labeled "Updates." You can then select the "Updates" option if it's available. However, it is crucial to read the entire "PLEASE NOTE" section before starting the process. Click on "INSTALL" to initiate the update. Alternatively, if you are not comfortable with technology, you can take your vehicle to the dealership, where they can install the new map updates for a fee.