Lincoln 2010 Town Car Owner's Manual page 113

Both the driver's and passenger's safety belt usages are monitored and
either may activate the Belt-Minder feature. The warnings are the same
for the driver and the front passenger. If the Belt-Minder warnings have
expired (warnings for approximately five minutes) for one occupant
(driver or front passenger), the other occupant can still activate the
Belt-Minder feature.
If...
The driver's and front passenger's
safety belts are buckled before
the ignition switch is turned to
the on position or less than
1-2 minutes have elapsed since
the ignition switch has been
turned to on...
The driver's or front passenger's
safety belt is not buckled when
the vehicle has reached at least
3 mph (5 km/h) and 1-2 minutes
have elapsed since the ignition
switch has been turned to on...
The driver's or front passenger's
safety belt becomes unbuckled
for approximately one minute
while the vehicle is traveling at
least 3 mph (5 km/h) and more
than 1-2 minutes have elapsed
since the ignition switch has
been turned to on...
2010 Town Car (tow)
Owners Guide, 1st Printing
USA (fus)
Seating and Safety Restraints
Then...
The Belt-Minder feature will not
activate.
The Belt-Minder feature is
activated - the safety belt warning
light illuminates and the warning
chime sounds for six seconds every
30 seconds, repeating for
approximately five minutes or until
the safety belts are buckled.
The Belt-Minder feature is
activated - the safety belt warning
light illuminates and the warning
chime sounds for six seconds every
30 seconds, repeating for
approximately five minutes or until
the safety belts are buckled.
113