where is the a petcock valve on the radiator of this auto located on 2006 Scion xA

how much clearer can my question be

Get Your Car Fixed at a RepairPal Certified Shop.
We certify shops based on expertise, quality work, and verified customer reviews
2 answers
Should be located at bottom of radiator near the lower hose connection.
it may not have one some cars don't but like miles says look under the car at bottom of radiator