Tire pressure warning light is going off but the tires look fine

Originally Posted by spearfish25

Just start filling with air and scratch the nitrogen. Such a gimmick. I'm sure someone will argue that though. I have yet to find someone who can convince me that 78 vs 100% nitrogen in my fill makes any difference. I'd be more annoyed at worrying about adjusting tire pressures if I have a nitrogen fill since I'd have to find a place to fill them. Not to mention that nitrogen is super cheap but car places charge you $80 for the fills.