Somebody, or board, made a bad decision to buy jerry-built buses. At least the manufacturer should have had warning plates in the bus drivers compartment 'Do Not Drive In Broad Sunlight' or something of that nature.
Surprised passenger : "Driver ! The side of the bus has oozed onto the sidewalk and I'm sitting in the open air !"
Driver : "Hang on ! I'll crank her up and try and get you to your destination before we're standing on the road with the steering wheel in my hands. "