Toyota Canada Mobility Program
As part of the Toyota Mobility Program, Toyota Canada offers mobility conversions for the Sienna minivan. The Bruno Lift-Up™ Power Mobility Seat, Sienna Rampvan by BraunAbility, and Access360 Conversions by VMI are currently available for easy and secure installation and/or conversion.*
In addition, to help cover the costs of installing adaptive driving aids or mobility assistance equipment, the Toyota Mobility Program offers up to a $1,000 allowance to physically-challenged customers who acquire a new or eligible Toyota vehicle. Click here for details. (source)
For more information about this program, visit this website then search "Sienna", click on the "Toyota Sienna" link, then click on "Features and Benefits" and finally followed by clicking on "Mobility Program".