The post specifically says, "It complains about low tire pressure" so I took the author at their word. But on the other hand, you may be right. Maybe it's just

The post specifically says, "It complains about low tire pressure" so I took the author at their word. But on the other hand, you may be right. Maybe it's just a TPMS light. It's a fun ranty blog post, the author wasn't necessarily being super precise with language =) But the other other hand, not all TPMS systems can detect overpressure (indirect TPMS only detects underpressure)