model. Sienna models before 2011 all have a rear window wiper in the back. The new 2011 model eliminated the wiper. The reason should be the new spoiler has changed the air flow pattern so the dust is less likely accumulating on the rear
model. Sienna models before 2011 all have a rear window wiper in the back. The new 2011 model eliminated the wiper. The reason should be the new spoiler has changed the air flow pattern so the dust is less likely accumulating on the rear