Safety belt pretensioner

Your vehicle is equipped with safety belt pretensioners at the driver and front outboard passenger seating positions.
The safety belt pretensioner tightens the safety belts firmly against the occupant’s body at the start of the crash.
WARNING: The driver and front passenger safety belt system (including retractors, buckles and height adjusters) must be replaced if the vehicle is involved in a collision that results in deployment of front airbags, seat-mounted side airbags and side air curtains, and safety belt pretensioners.
See also:
Vehicle storage
If you plan on storing your vehicle for an extended period of time
(30 days or more), refer to the following maintenance recommendations
to ensure your vehicle stays in good operating condition.
...
System warnings and status messages
System warnings alert you to possible problems or malfunctions in your
vehicle’s operating systems.
Note: Depending on the vehicle options equipped with your vehicle, not
all of the messages wi ...
Safety
Four-wheel-disc antilock brakes, traction control and an electronic stability
system are standard. The MKZ's six standard airbags include side-impact airbags
for the front seats and side curtain a ...
