You get slightly better traction with higher pressure on ice - but - fresh snow is like sand - you get better results in sand with under-inflated tires. Look at those cars and their tires running Baja 500 races...We have a 2012 outback and drove it .first time in deep unplowed snow. Performed well but low tire pressure light came on. Checked pressure in all tires,fine. Heard that I should run HIGHER pressure in winter. Any thoughts
Not quite true. The sensor itself DOES report a specific pressure for each tire. The car just doesn't do anything with that information apart from reporting when it's too high or low. Same end result, though - you won't get any feedback unless the pressure is too high or too low.Cold temps and being close to the threshold regarding pressure. The sensors in the wheels do not measure pressure they simply trigger a signal when it goes below a certain pressure.
And, if the car is kept in a warm garage but is used in much colder temperatures during the day, then add 1 psi for each 10 degrees drop in temp. (Tire pressure will drop 1 psi for every 10 degrees F in temperature.)Make sure you check pressure when the tires are stone cold. After the car sits overnight is the best time to get a reading. If you're checking when they are warm or recently driven on they will read high.
Close but wrong,You get slightly better traction with higher pressure on ice - but - fresh snow is like sand - you get better results in sand with under-inflated tires. Look at those cars and their tires running Baja 500 races...
Remove the TPMS sensors from the vehicle? No shop can do that, it is a violation of federal law. In fact any shop that says they can do it, I would run far, far away from. If they break one law who knows how many other laws they will break.In Subaru 2012 TPMS sensor that you can run with or without for winter driving. If you choose to run without the TPMS sensors, you'll see a warning light but there are no efficient problems associated with the light.