On 10/24/2013 11:56 AM, Ron wrote:
....

The only warnings I have ever received were while on a road trip and
they were "tire pressure too high".

On a half-dozen or so GM and Chrysler vehicles I have/had that's never
happened -- the firmware seems to have sufficient leeway on high side to
account for warmup. I tend to run to the higher range of rated
pressures; 35-36 usually instead of the low 30's typical of the vehicle
column stickers. Whether that has any bearing or not I've no data to
refer to. I have had a time or two when did have a low warning the
second morning out -- why that's a pretty common possibility for us will
be seen from the next paragraph.

Since we're on several miles of gravel roads and there's always new junk
turned over every time they're graded, punctures are a way of life,
particularly on the passenger cars. Hence it's pretty common to get a
'low' indication the next time go get in the car from having acquired a
new slow leak...that is actually a useful feature particularly for the
wife to go by the tire shop when she gets to town if it's at, say, 20 or
so so it'll make the 5-mi or so trip...or even if lower to add some air
before she heads that way. So, overall, imo they're _a_good_thing_ (tm).

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