- how does the tow/haul mode work?
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Jul 25, 2011 at 3:00 PM
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FIXITMR
✓Experienced Mechanic
9,990 POSTS
It changes the shift schedule and activates a grade braking feature. For better towing. no OD and harder shifts. you can turn on and off anytime. when on highway turn off so OD works for better mileage.
Oct 19, 2011 at 10:28 PM
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