Quote:
Originally Posted by silverone
Thanks for pulling this together!
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You’re welcome. I’ve been meaning to add a extra page on when best to use your A-Trac/Crawl Control vs Multi Terrain Select. This is confusing for most new owners since their capabilities overlap each other but here is primary difference.
A-Trac/Crawl Control is the most aggressive function for traction control. It uses the ABS braking system to create traction by stoping free wheels from spinning in order to transfer torque to the wheel that has contact with the ground. However heavy and sustained use can potentially cause over heating of the transmission and brakes. So it is better suited for when your stuck or traversing very difficult terrain for a shorter period of time.
Multi Terrain Select achieves traction control primarily through Throttle Control but will engage A-Trac only when necessary. It also regulates wheel slipping for the terrain selected. Because of this, it put less stress on the transmission and brakes. This makes it better suited for longer off-road drive with difficult spots here and there.