NOTE: Make sure not to get any silicone grease on the terminal part of the connectors and switches, especially if you have silicone grease on your hands or gloves.

HandsFreeLink System Description
HandsFreeLink Control Unit Connector for Inputs and Outputs
...
Installation
Hold the gearbox housing using a C-clamp (A) and wooden blocks (B) to a
workbench as shown. Do not clamp the cylinder part of the gearbox housing in
a vise.
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Place Phone Number
DEST button
►DEST Menu 2►Place Phone Number
Select a destination by phone number. Only phone numbers in the database are
recognized.
1. Enter the area code and phone
number. Select ...