If someone is having an actual problem with a Scion, the problem is not due to the throttle pedal unit that is being recalled.

I'll say that again - if there is an actual problem, it is a DIFFERENT problem, not the recall.

In that case the best action may be to have someone look at it.

Here is some actual detail to help identify which cars may have the defective pedal assembly - and which do not...

http://tijil.org/Toyota_letter_to_dealers.pdf