Mack Pinnacle.

613154

{"text":"I have a Mack Pinnacle daycab from Old Dominon leasing for the next umpteen months. There are 2 switches on the dash I don't understand. One has a picture of the battery on it, and the other has what looks like a key on it.Whatinthehades do these switches do? Checked the owners manual, didn't cover them.","pics":"[]","canComment":null}