How cold is "this cold?"
Where I live, I drive out of my 20-degree garage into +5F to +10F
temperatures. After about 3 minutes, the gauge rises to between the C and
the symbol that is halfway between C and H. No, what you're seeing is not
right, maybe dependent on how cold is "this cold." (I drive a 2013 Accord EX
Dealer recommended either a) warming car up 5-10 minutes before driving
(which I haven't had to do for decades with prior cars) or b) putting
cardboard in front of the radiator, as one of his techs does. I didn't
see any easy way to get between the grille and the radiator but I have
done this with previous cars.
Could be a bad thermostat. Got the car last February and didn't
experience any cold like this last winter.
The manufacturer has specific documentation for how to deal with various
situations, including this one. This dealer, though, seems to be
staffed with good ol' boys who scoff the documentation because "hell, we
know better" and are treating this like a farm tractor.
Find a different mechanic. Dealer or independent, either one. NOBODY
should be telling you to warm the car up for 5-10 minutes. NOBODY.
That's a big red flag. Bubba Joe just scratched his balls, reached a
little further, and pulled that right out of his ass.
And then, because he's seen truckers do it on their old big rigs (which
of course are JUST like your 2013 Accord), he said to find an old box
and jes stick it raht there in front of the radiator of your extremely
highly engineered and expensive, and new, automobile.
Aren't LOUD bells ringing in your head right about now?
Your car is under warranty. Give them a specific problem--"it takes
forever for the heat to start, even when I drive on on the freeway"--and
let them fix it. Let them engage whatever resources they need to. If
they can't diagnose it in a day, make them drag the factory into it,
because clearly they're incompetent.
But your best bet is simply another dealer at this point. This isn't
something for the newsgroup, other than to tell you that this dealer is
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