Fries taste like used oil like they been using the same oil all month twice within the past week

For over (15) years, l've been traveling up & down Hwy 99 stopping to purchase fuel at the Madera Pilot truck-stop, & for a Wendy's Dave's double burger combo. I usually request (1) bar-b-que sauce wi

Service was decent. Surprisingly got my order correct but the only good thing I got was the chilli cheese fries the burger tasted like absolute trash and why the He** are you using shredded lettuce on