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Class 1 Medical
Rev. 2
14.22 Motor Vehicle and Transit Use
WARNING – Never use this wheelchair as a seat in a motor or transit
vehicle unless it has been equipped with a Transit Tiedown System
(TTS). When feasible and possible, the rider should transfer to the
vehicle seat and use the vehicle-manufacturer-installed restraint
systems, and the unoccupied wheelchair should be stored in a cargo
area or secured in the vehicle during travel. Using a wheelchair not
equipped with a TTS as a seat in a motor vehicle could result in
serious injury or death.
To identify if your wheelchair has been manufactured with PDG’s
Transit Tiedown System (TTS), look for the presence of the TTS
indicated by 4 white hook symbols next to each tie down bracket.
The Stellar wheelchair equipped with the Transit Tiedown System (TTS) has been tested
according to, and passed, the RESNA WC-4:2012, Section 19: Wheelchair used as seats
in motor vehicles and ISO7176-19:2008 Wheelchairs – Part 19: Wheeled mobility
devices for use as seats in motor vehicles. These parts of RESNA and ISO standards
address and evaluate the seating part of wheelchair-user occupant-protection systems
for wheelchairs that may be used as a seat in motor vehicles as well as create
compatibility with Wheelchair Tie-down and Occupant Restraint Systems (WTORS).
Thus, for transportation in a vehicle the wheelchair must be restrained from movement
using an RESNA WC-4:2017, section 18 wheelchair tiedown system (such as Q’straint S5-
6329-11) and the vehicle must be equipped with an RESNA WC-4:2017, section 19
anchor points.
Not all configurations of the Stellar wheelchair are compatible with the Transit Tiedown
Systems (TTS). PDG manages the factory built configurations and does not offer the
Stellar wheelchair except in compatible configurations. If changes are made to the
Stellar wheelchair after it has left the factory, the wheelchair provider or PDG should be
contacted to ensure it is appropriate to continue to use the wheelchair as a seat in a
motor vehicle.
Aftermarket seating may have replaced the original equipment seat and back support
designed and tested as part of the Transit Option. Your wheelchair provider should
inform you if the seating provided with your wheelchair is original equipment or
replacement aftermarket seating. A complete system of wheelchair frame, seating,
Wheelchair Tie-Down and Occupant Restraint Systems (WTORS) and a properly equipped
motor vehicle, that have all complied with the standards mentioned in this section,
should be in place before using a Stellar wheelchair equipped with the Transit Tiedown
System as a seat in a motor vehicle.
If your wheelchair is NOT equipped with the Transit Tiedown System (TTS), the
wheelchair DOES NOT meet ANSI/RESNA and/or ISO standards for motor vehicles seating
and the following warnings should be observed:
1. NEVER let anyone sit in this chair while in a moving vehicle.
2. ALWAYS secure the wheelchair occupant with proper vehicle restraints. In an
accident or sudden stop the rider may be thrown from the chair. Wheelchair
restraints will not prevent this and further injury may result from the belts and
straps.
Figure 14.49: hook symbol
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