I found a post on another website where people were talking about hidden features on lower trim model vehicles (see below):
another example: My car came with a mileage/average speed/distance to empty readout on the radio display. Lower trim levels of the same car do not. However, if they have the same basic radio unit, there's some arcane combination you can press and voila, the lower trim level car will suddenly have all that info available. It wasn't worth making a whole new radio 'head unit' for the option, so they just built it into all of them and had it hidden by default. Car has the right options to have the mileage readout? Punch the combo in at the factory.Does anyone know of any secret/hidden features on their truck? I found this post but was curious if there was anything else.