Not trying to be contentious or an Avalon fanboy, but I'd be willing to bet that the wipes have been tucked down under the hood (and thus require the 'Service Position') for aerodynamic purposes - i.e., improved gas mileage. If so, I'll take the improved mpg over the occasional (rare?) hassle of the Service Position.... If you read the manual, it says to put the wipers in the “service” position by activating the wiper level up and watch the wipers sweep across the windshield. At about 2 seconds, turn OFF the car with the wipers in the vertical (“service”) position. ... This is a “work around” for a poor design IMHO. ...
Also, if I am correctly reading your description for entering the 'Service Position' (sounds like something your doctor asks you to do, doesn't it? :wink, I think you might have it a bit wrong. First, stop the engine. Then, simply lift and hold the wiper control in the 'Mist' position for two seconds. The wipes will go directly into the proper position for service.
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