Forum Discussion
mrkoje
Jun 14, 2016Explorer
The +/- is the electronic range select. Like mentioned previously it locks out gears which can be especially useful to build up pressure with the exhaust brake.
https://www.youtube.com/watch?v=3SIkJqrve6Q
https://www.youtube.com/watch?v=3SIkJqrve6Q
About Travel Trailer Group
44,071 PostsLatest Activity: Sep 03, 2026