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Car Forum / Hyundai Cars / March 2005

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Radio Poltergeists

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Richard Steinfeld - 10 Mar 2005 06:32 GMT
I drove my 2000 Sonata over a railroad crossing today. The radio
came on all by itself. Two weeks ago, I drove a different 2000
Sonata each time I hit a moderate bump in the street with that
car, the radio came on. In each case, the radio was an original
Hyundai model. The radio in mine is the top model -- with both CD
and cassette. I don't recall which model was in the other car,
but it's a different model: mine is almost as loaded as it can
get (only missing the traction control). The other one was a base
model.

I'm pretty familiar with electronics. This one's really got me
stumped. What gives?

Richard
Brian Nystrom - 10 Mar 2005 13:55 GMT
> I drove my 2000 Sonata over a railroad crossing today. The radio
> came on all by itself. Two weeks ago, I drove a different 2000
[quoted text clipped - 8 lines]
> I'm pretty familiar with electronics. This one's really got me
> stumped. What gives?

Is the on-off switch/button particulary sensitive. If so, it may be just
the vibration causing the switch contacts to close and turn the radio on.
Richard Steinfeld - 10 Mar 2005 17:33 GMT
| > I drove my 2000 Sonata over a railroad crossing today. The radio
| > came on all by itself. Two weeks ago, I drove a different 2000
[quoted text clipped - 11 lines]
| Is the on-off switch/button particulary sensitive. If so, it may be just
| the vibration causing the switch contacts to close and turn the radio on.

I wouldn't think so (note that I experienced this in two
different Hyundais). The switch seems to require a good healthy
push. On the other hand, that's the physical part of the
switch -- the actual contacts may be loose and able to touch each
other.

Richard
hyundaitech - 10 Mar 2005 17:41 GMT
I've seen this customer complaint numerous times.  While I've typically
been unable to duplicate it on road test, bopping the dash in the vicinity
of the radio often causes it to come on or switch to cd or some other
oddity.

To fix it, replace the radio.  Unfortunately Hyundai's warranty on the
radio is only 3 years/36k miles in the U.S. (for no apparent reason).
Richard Steinfeld - 11 Mar 2005 05:23 GMT
| I've seen this customer complaint numerous times.  While I've typically
| been unable to duplicate it on road test, bopping the dash in the vicinity
[quoted text clipped - 3 lines]
| To fix it, replace the radio.  Unfortunately Hyundai's warranty on the
| radio is only 3 years/36k miles in the U.S. (for no apparent reason).

Tech...
I understand how you feel about the factory radios. Too bad. I
sense that there's a very simple reason why this happens -- it's
bizzare. Perhaps the physical resistance of the switch (the
mechanical toggle) is stiff whereas the actual contacts inside
the switch are very loose and can easily short from a bump. Bad
bad parts sourcing.

My experience with Korean electronics is that the country's
manufacturers can build to whatever quality criterion that they
want to select.  I've seen both brilliant and dumb products.
I don't fully know this radio yet. I'm not sure that I want to. I
guess I'll learn (and report back). I am tolerant of
"understandable" failures. I detest stupid failures.

Richard
S25 - 12 Mar 2005 18:32 GMT
>I drove my 2000 Sonata over a railroad crossing today. The radio
>came on all by itself. Two weeks ago, I drove a different 2000
[quoted text clipped - 11 lines]
>Richard
>=============================

   My Santa Fe radio does the same thing. Fortunately, the ignition
does NOT!   =;-)

    S25
 
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