Acura TLX 2021 Owner's Manual page 39

uuSeat BeltsuAbout Your Seat Belts
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Automatic Seat Belt Tensioners
Driver's seat belt tension
Front passenger's and outer rear seat
belt tension
38
The front seats and the outer rear seats are
equipped with automatic seat belt tensioners
to enhance safety.
The tensioners automatically tighten the front
seat belts and the outer rear seat belts during
a moderate-to-severe frontal collision,
sometimes even if the collision is not severe
enough to inflate the front airbags or the
driver's and passenger's knee airbags.
1Automatic Seat Belt Tensioners
The seat belt tensioners can only operate once.
If a tensioner is activated, the SRS indicator will come
on. Have a dealer replace the tensioner and
thoroughly inspect the seat belt system as it may not
offer protection in a subsequent crash.
During a moderate-to-severe side impact, the
tensioners on both sides of the vehicle activate.