Quote:
Originally Posted by brulaz
IIRC the manual recommended boost only for heavier trailers.
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Not technically true, see attached. It loosely defines which boost setting to use by comparing TV weight to trailer weight. With my Tundra, either ".c" or "b.1" settings are suggested. If I were to tow with my Sienna again, ".c", "b.1", "b.2" settings are suggested. (Using 4000 lbs as TM weight)