GMC C4500 Visibility problems by year

One side of seat back is unhinged and the driver's back gets suddenly shifted around without warning. 2) Defroster and heating vents do not work 3) mirrors are badly corroded and unadjustable, it is owned by peapod by stop and shop and they couldn't care less about fixing this, very dangerous vehicle the parent corporation of peapod and stop and shop giant has hundreds of millions of dollars in cash laying around I might add; this horror show of a truck is located at [[redacted]]; the number on the back of the truck is 72 "seventy two". Information redacted pursuant to the freedom of information act (foia), 5 u.S.C. 552(B)(6).*Tr