Jul 10, 2019  Certainly implies that they have not updated firmware or software for the 2015 entune audio plus system since 2015. Seems impossible to believe, but I’ve run out of ideas of where to search. I have seen that there is an update for the entune premium, and that the premium does update.

Windows Operating System Instructions

Below are instructions to perform a map update using a computer with Windows OS:

DOWNLOAD AND INSTALL MAP UPDATE TOOLBOX:

1. Select DOWNLOAD Map Update Toolbox FOR WINDOWS and save the 'MapUpdateToolbox-inst.exe' to your desktop.
2. Once downloaded, open the file and follow instructions. Run the installer program as you would for any other software.

CREATE A BACKUP:

1. Click the icon on your desktop to open Map Update Toolbox.
2. Insert the SD card from your vehicle into your computer to connect it to Map Update Toolbox.
3. You will be prompted to create a backup of the SD card contents. Should your SD card become corrupted during the map update process, you will need the backup to restore your information. It is HIGHLY RECOMMENDED that you perform the backup process at this time.

LOG IN/CREATE A USER PROFILE:

1. When backup is complete, log into Map Update Toolbox by selecting NOT LOGGED IN from the top menu.
2. Sign in using your username and password. If you have not yet registered, select CREATE A USER PROFILE to do so now.

INSTALL MAP UPDATES:

1. Log into Map Update Toolbox.
2. A button will appear on the left side menu. If an update is NOT currently available, the button will be labeled 'Device.' If an update is available, the button will be labeled, 'Updates.'
3. Select UPDATES, if available. (VERY IMPORTANT: Be sure to read the entire 'PLEASE NOTE' section before beginning this process.)
4. Select INSTALL to begin the process.

Toyota Entune Navigation

FINISH THE MAP UPDATE PROCESS:

1. Once the update is complete, it is advisable to create a new backup of the SD card contents.
2. Select BACKUPS from the left side menu.
3. Select CREATE BACKUP.
4. Once backup is finished, you may remove the SD card and insert it back into your vehicle.

OSX Operating System Instructions

Below are instructions to perform a map update using a computer with Mac OS:

DOWNLOAD AND INSTALL MAP UPDATE TOOLBOX:

1. Select DOWNLOAD Map Update Toolbox FOR OSX.
2. Once downloaded, locate the Downloads folder.
3. Open Toyota-Toolbox.pkg and follow instructions. Run the installer program as you would for any other software. The toolbox will install to your Applications folder.

INSTALL MAP UPDATES:

2015 Toyota Entune Update Download

1. Insert the SD card from your vehicle into your computer.
2. Open the Map Update Toolbox from your Applications folder.
3. If an update is available, a button prompting to Download Latest Content will display.
4. Select DOWNLOAD LATEST CONTENT to begin the process.
5. Once completed, the toolbox will display SD Card is up-to-date. Select EXIT TOOLBOX.
6. Properly eject the SD card from your computer. Once removed, insert it back into your vehicle.