How long does it take for Toyota Highlander navigation system to update a Maps Dvd?

Updating the navigation system for a Toyota Highlander that uses a DVD-based map can take anywhere from 30 minutes to a couple of hours, depending on the specific model and the complexity of the update. The process involves removing the old DVD, inserting the new one, and allowing the system to install the updated maps. It's essential to follow the manufacturer's instructions carefully to avoid any issues during the update. Additionally, ensure the vehicle is in a safe location and that the engine is running or in accessory mode to prevent battery drain during the process.