INFO button
► System/Device Information
View database, software, device, and vehicle identification information.

You will need this information when ordering a map update.
Disassembly
Compress the damper spring, then remove the nut (A) while holding the
damper shaft with a hex wrench (B). Do not compress the damper spring more
than necessary to remove the nut.
...
Electrical
...
Resetting the Clock Settings
INFO button
► Setup ►Other
►Clock Adjustment►Clock Adjustment
Reset all clock settings to the factory defaults.
Select OK under Reset. ...