Toyota SIENNA 2011 Quick Reference Manual page 731

5-1. Essential information
Towing with a sling-type truck
Towing with a wheel-lift type truck
From the front (2WD models)
674
Do not tow with a sling type truck
to prevent body damage.
Release the parking brake.
I n f o r ma t i o n P r o v i d e d b y :