Sanford and son question?

hey did this really happen i remember back in the 90s tbs had a sanford and son special.where the actors was walking around outside the sanford and son set and mr redd foxx was looking at his truck and he must said something about it cause the truck said get real foxx and backed up and foxx thought it was haunted.

lawanda page was there redd foxx others it was on tbs i know it was please help me nobody else believes me