Occupant Weight Sensor (OWS)
WARNING
If a fault in the system is detected and indicated as explained on the previous page, be aware that the passenger's
side front airbag will not deploy in the event of a collision.
In this case, the safety systems and Occupant Weight Sensor should be inspected by a trained and qualified Volvo
service technician as soon as possible.
WARNING
Never try to open, remove, or repair any components in the OWS system. This could result in system malfunction.
Maintenance or repairs should only be carried out by an authorized Volvo service technician.
The front passenger's seat should not be modified in any way. This could reduce pressure on the seat cushion,
which might interfere with the OWS system's function.
The OWS is designed to disable (will not inflate) the passenger's side front airbag when a rear facing infant seat, a
forward-facing child restraint, or a booster seat is detected. The PASSENGER AIRBAG OFF indicator lamp will
illuminate and stay on to remind you that the passenger's side front airbag is disabled (see the following table).
1
Volvo recommends that children always be properly restrained in appropriate child restraints in the rear seats.
In rare situations when the seat belt is not properly fastened, some child restraints may not be detected by the OWS because there is very little
weight on the vehicle seat cushion. In these cases the passenger's side front airbag may be disabled, but the PASSENGER AIRBAG OFF indicator
lamp will not be lit. Do not assume that the passenger's side front airbag is disabled unless the PASSENGER AIRBAG OFF indicator lamp is lit.
Make sure the child restraint is properly installed (turn the vehicle off, remove the child restraint from the vehicle and reinstall the restraint following
the child restraint manufacturer's instructions) and that the PASSENGER AIRBAG OFF indicator lamp is on, or move the child restraint to the rear
seat.
The OWS is designed to enable (may inflate) the passenger's side front airbag anytime the system senses that a person
of adult size is sitting properly in the front passenger's seat.
The PASSENGER AIRBAG OFF indicator lamp will be off and remain off.
If a person of adult size is sitting in the front passenger's seat, but the PASSENGER AIRBAG OFF indicator lamp is
on, it is possible that the person isn't sitting properly in the seat. If this happens:
Turn the vehicle off and ask the person to place the seatback in an upright position.
