Is Tire Pressure Monitoring System available as an upgrade on a 2012 Pruis Four?

Does anyone know it you can get the tire pressure monitoring system retrofitted on a 2012 Prius Four? I see the reset button under the steering wheel and the warning light in the dash but, the "Tire Pressure" screen doesn't come up when I press the "Car" button on the Nav system. Manual states this means its not installed? The manual doesn't list it as an available upgrade. Since this feature would help with fuel economy and tire life I'm bummed that it appears I don't have it. Anyone know if I can get this as an upgrade or do I already have it but, I'm not accessing it properly? Clueless in Ft. Lauderdale.

 

It comes standard on the Prius. My 2012 doesn't have it on the nav screen either but I know I have it[/quote]
OK thanks for you promt reply. I see on a dealers website it comes standard on all the 2012 models. Maybe we have some kind of "Base" version that doesn't display individual tire pressures on the Nav Screen? Anybody know how I can access the tire pressures on the nav screen? It doesn't come up when I press the "Car" button. Could it be located elsewhere?

 

Thanks for the response...I'm really disappointed as I would have thought with all the emphasis on Gas Economy that the individual tire pressures screen would have been a standard option. I feel cheated and depressed.
And like you said, what is considered "low"?

 

Another post I read claimed it signaled when the tire fell below 75% of set value so, people were filling tires to 50lbs., setting the system reset button then deflating to 40 lbs (20 Minutes later when sytem has reset) so, the pressure monitor would sound when tires fell to 37.5 lbs (since it was reset a 50lbs). It sure would be nice to get some clarification of which value it actually is from toyota. 25% seems like a LOT of pressure to loose before you get a warning rendering the system almost useless.

 

Assuming the air loss value until the warning light came on was -25% of set value, I had origianally set my tires at 51.5 pounds, and then, deflated them to 42 lbs. This didn't work out as the TPMS light came on and stayed on. Someone else mentioned they thought the loss value was more like 5 lbs and another poster said 6-8lbs. With this in mind, I set the pressures at 45lbs, and then, reduced pressure to 42 lbs in hopes it will trigger when the pressure reduces to circa 37- 40 lbs depending on which poster is correct. We will see as time passes. The Warning light has stayed off so far.

 

The race is on!!!---LOL! Anyway, I see you can get the toyota TPMS diagnostic tool that will tell you what the pressures are but, I haven't seen the price for it. I'm sure its cheaper than financing the extra dough for the enhanced Nav/soundsystem.