One of the reasons the tranny does this is at normal d driving you are getting enough air to keep everything cool.
The lock up feature on the tc locks fluid in in there at normal driving. Now if it locks fluid in there you have less fluid to use to cool the system. Now if towing really heavy loads its recommend to turn off the od and essentially that turns the lock up off. Thus allowing for more fluid to cool.
The lock up feature is also used when in d for the other gears also kind of acts like a half gear sometimes.
So by putting into 2nd you are telling it to shut off the lock up and not going to be driving in normal conditions. I do not know if the gryphon can be tuned to change this.
Yes Jack I to use the gears to get out of slippery situations too.
Lars
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