71 or 73?
Tip 71 means that when you're reversing, come to a complete stop before trying to go forward. Likewise, stop all forward motion (brake) before reversing. If you don't come to a complete stop, then you're using extra engine power to overcome the momentum of the vehicle. Think of it kind of like starting 'in the red.' Instead of just starting from a dead stop, you have momentum working against your intended direction of travel. Using the brakes at least brings you back to a complete stop.
Tip 73 - Cruise in the highest gear practical. Often, a given speed can be maintained on flat ground in one of a few different gears. Less fuel is used when in the highest gear (lower rpm). If you're going too slow for a certain gear though, you can hear the engine sort of struggling or shaking a bit. That's too high of a gear.
Hope this helped. You probably already got 73; I think it was 71 you wanted clarification on. There's an answer on pg 28 too. Right before I went ahead and changed the topic on you dieselbeetle.
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