TPWS Tire Pressure Warning System - Setting By Specified Pressure

[jdchiarella]

When I go into vehicle settings/TPWS and I select " Setting by Specified Pressure" I get the screen that shows "33" as pressure for front tires. The manual states on page 559-560 that this is user adjustable., but I can get it to change using buttons as usual. See paste of manual instructions below. and pics of screens displayed Anyone figure this out yet? Thanks in advance.

1 Start the hybrid system.


The tire inflation pressure cannot


be set while the vehicle is moving.


2 Select on the multi-


information display.


3 Select “Vehicle Settings”.


4 Select “TPWS Setting”.


5 Select “Tyre Pressure Set-


ting”.


6


Maintenance and care560 6-3. Do-it-yourself maintenance


6 Select “Setting by Specified


Pressure” and then select the


desired front and rear tire


pressures.


7 Select “Yes”.


The tire pressure warning light will


slowly blink 3 times.


After setting the tire inflation pres-


sure, a message indicating that set-


ting has been completed will be


displayed on the multi-information


display.

 

[jdchiarella]

Anybody????

 

[jayce]

Why are you changing it? This value is the baseline used to determine if a low pressure warning is triggered. For example, if the actual measured pressure is 28 psi, (33-5) you will probably get the warning.

 

[jdchiarella]

I just want to understand how it works, and see if it user definable. Can you adjust yours?

 

[brianz]

I’d like to adjust as well for airing down. Considering not using in the summer. The warning was really handy when I got a sidewall tear. Gave me just enough time to find a level spot to change tires.

 

[jdchiarella]

I’d like to adjust as well for airing down. Considering not using in the summer. The warning was really handy when I got a sidewall tear. Gave me just enough time to find a level spot to change tires.

Have you tried to change the setting and see if it is user definable?