Acura TL 2007 Owner's Manual page 218

TM
HandsFreeLink
To add, change, or remove a PIN
number from any phonebook
You can add, change or remove a
PIN number from any phonebook.
Select ''PIN Number'' from the
''Select an Option'' screen. The
display will change as shown above.
212
To add a PIN number
1. Select the phonebook you wish to
add the PIN number to. The
phonebook you select cannot
already have a PIN icon. The
display will change as shown
above.
2. Enter the 4-digit PIN number. You
will be asked to re-enter the PIN to
verify.