One problem related to tire pressure light on has been reported for the 2014 Lexus RX350. The most recently reported issues are listed below.
The contact owns a 2014 Lexus Rx350 equipped with michelin, tire line: latitude tour and tire size: p235/55r19 (n/a). The contacted that while driving at 30 mph, the tire pressure warning light illuminated. The vehicle was taken to a dealer, who diagnosed that the front driver and rear side tires were punctured with unknown objects. The tires were replaced. The manufacturer was notified of the failure. The approximate failure mileage was 6,000. Djr.