It will affect your shift pattern, but if you want to try changing it, mark the current position so you can set it back later. Also see what happens if you temporarily disconnect the kickdown switch.

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1985 380SE Blue/Blue - 230,000 miles
2012 Subaru Forester 5-speed
2005 Toyota Sienna
2004 Chrysler Sebring convertible
1999 Toyota Tacoma