Hondavalk wrote:
ScottG wrote:
I keep waiting for the manufacturers of these systems to start using the same technology modern cars use and stop using batteries.
Kinda doubt we will ever see that on TT's and FW's. Manufactures still don't want to switch to disc brakes let alone computer controlled ABS.
"Indirect TPMS works with your car’s Antilock Braking System’s (ABS) wheel speed sensors. If a tire’s pressure is low, it will roll at a different wheel speed than the other tires. This information is detected by your car’s computer system, which triggers the dashboard indicator light."
I haven't heard of that system but I do know there are actual sensors inside the newer crop of vehicles that have no batteries. The system is seamless but you can tell if your car is equipped with them. With the new sensors, adjusting the air pressure will not show a change on the dash until the tire rolls a bit.
In the case of our FCA product, the car had to roll about 20 feet to register the pressure change. At that point it is very accurate though.