: An installer for diagnostic software (like Toyota Techstream).
: Download and install 7-Zip (Windows) or Keka (macOS).
: Insert the media into your Lexus's data port while the car is in "Accessory" or "On" mode and follow the on-screen prompts. For Diagnostic Software:
: Raw data meant to be copied directly to a USB drive or SD card. 3. Usage Instructions Depending on what was inside, follow these steps: For Navigation Updates: Format a USB/SD Card : Use FAT32 formatting.
