2005 Toyota Highlander...Your thoughts
Lexus Connoisseur
Joined: Mar 2001
Posts: 19,850
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From: USA
Originally posted by mmarshall
If your mom's Highlander is like virtually all other Toyota / Lexus products, (and many other modern vehicles, too) no matter how the button is set or the lever is placed, the automatic transmission will NOT actually upshift into overdrive until the engine temperature gets to 140 degrees....about two or three marks up the temperature gauge. Obviously this takes longer in winter than summer. I don't like this feature myself....it wastes fuel and places unnecessary revs on a cold engine...... but the engineers say that this is done for emission reasons and quicker engine warm-up.
If your mom's Highlander is like virtually all other Toyota / Lexus products, (and many other modern vehicles, too) no matter how the button is set or the lever is placed, the automatic transmission will NOT actually upshift into overdrive until the engine temperature gets to 140 degrees....about two or three marks up the temperature gauge. Obviously this takes longer in winter than summer. I don't like this feature myself....it wastes fuel and places unnecessary revs on a cold engine...... but the engineers say that this is done for emission reasons and quicker engine warm-up.
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