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So from that is sounds like I shouldn't be using 4 wheel drive on the highway at all or at under some particular speed? What is the highest speed I should be using it in?
I was tought that if it looked icy or if there was snow on the road you put it in 4wdh I once had a Taho that had the auto 4wd which I left it in if the road was ok but sometimes not. However if the road was straight up bad I put it in full time 4wd and I know at times I was in 4wdh at over 50mph
So I guess my question is what is the highest safe speed to be using 4wdh?
Seems to me that most people don't know this because I have never ever been told different than how I learned. Going to be hard to change my ways.
Right now I have 2 pickups a 2008 Chevy Colorado Crew Cab and a 1989 GMC Sierra 1500 both have 4wdh and no option for auto 4wheel drive so I just want to know the best way to drive them safely I live in Northern Minnesota so this is pretty important for me.