This light has come on a few times with in the past month and I'm not fully understanding why. The first time I went and checked all my tires and one was at 29psi and the rest were between 32-35. The light went away at that point then it just came on about 2 weeks later. The difference is when I checked all the tires this time they were between 33-36 psi which seems reasonable to me and I don't know why this light is coming on. Is there any other explanation for this? I don't have any aftermarket rims if that is a possible cause. Any help would be appreciated.

 

Dealer can reset it for you.

 

My low tire pressure light came on too...i think it's because of temperture outside.?
im living in TX...it was kind of hot last week and it got really cold...
like...90˚~100˚ → 50˚~60˚...
Right after temperture went down...
light came on...it happened twice with my G...^^;;
it can be other reason...

 

cold temp will lower tire pressure by atleast a couple of pounds. check them at night and then check them during the day. Your tire that was at 29 was probably at 25 during night/early morning causing the low pressure light to come on.

 

I was up in the mountains (at about 8600 feet vs. our normal 5300) a week or so ago and parked the car for much of the day. It was definitely cooler and we started down the road and the sensor went off. I checked and each tire was 32-33 psi (so much for the significantly low pressure explanation). I found a gas station and put each at 35-36 and the sensor has not gone off since.

 

I have had the same problem too. It may be the leak within the tire-pressure sensor. Go to infiniti and tell them that the tire pressure keeps goin down and that there are no valve stem leaks nor any tire punctures. They should order you new gromets to install around the tire-pressure sensor (either infiniti or america's tire can install it for you) from where this might be leaking from. Titan trucks had mad problems with these. Hope that works out for you.