Just called "Customer Experience Center" number 800-331-4331 found on Toyota web site.
Told them about the crack and told them beside the cosmetic issue of the dashboard, main safety concern is the cracks could have accidentally deploy the airbag even when the vehicle is not impact.
They said...
Just found out a long crack along my dashboard on 04 4Runner SR5 with 91k this weekend. The crack look like several pictures posted on this thread.
Crack started from the driver side air vent, goes up and along the hood/lip of the instruments/speedometers panel then it goes down on the...