Software Updates
A software update consists of three steps:
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Downloading the software.
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Installing the software.
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Activating the software by restarting the system.
A popup message appears when an update is available. In addition, the software update option in the diagnostics menu activate.
The vehicle must be in neutral gear, the parking brake set, and the engine off before a software update can start. Once started, a software update cannot be cancelled.
During the software update process, progress messages are provided. See Fig. for typical ICUC software update screens.
Fig. 1, Example ICUC Software Update Screens
If a software update is interrupted, the system asks if you want to restart the process or informs you that the vehicle cannot be driven until the update is complete. If a software update fails, the system attempts to revert to the previous version. A notification appears when a software update has been successfully installed.
Failure to install software updates may make data less secure and/or mean vehicle systems are not operating at their best.
Note: An estimation of installation time is given before the software update starts. Installation can take several minutes. During installation individual functions and controls are not available, or only available to a limited degree.