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I set my tires with a good gauge. In the morning when it's cool out. Before the first drive. I only use the on board for trending. To see if a tire is loosing air. I don't know how accurate the tpms is. And don't really trust it. I do however have all the parameters set up correctly. It's close to the gauge I use.
That has to ride terribly. I run the exact same tires and sizes and I keep mine at 35 front and 44 rear. Good wear and very smooth ride.
35 in the front? That’s very low, why so low? Are you running 295/35 r21 tires? The 44 in back is what the tpms says it should be but 35 is about 5psi too low
go in to the menu on the dash and check what tires they have set. if you're set to summer tires 21R and speed in excess of 100mph. this is the correct pressure. if you set it to comfort, you can lower the pressure and it will ride softer. I like stiff as bricks, mine is set this way.
The tpms is set to 21r half load excess 100mph and it’s saying 41 front 48 back is too high, that it should be 40 front and 44 back
35 in the front? That’s very low, why so low? Are you running 295/35 r21 tires? The 44 in back is what the tpms says it should be but 35 is about 5psi too low
Look at the chart posted just above your post. Partial load recs are 37/42 for that size tire on a GTS.
06-01-2019, 03:59 PM
