Lexus gx470 tire pressure light. Turn ignition to the on position with the engine off not the acc position. Some lexus owners inflate their tires slightly under the manufacturer recommendation which keeps the tire pressure light illuminated. The tire pressure warning light on my 06 gx470 started flashing today at least i first noticed it today. Ive also tried disconnecting the battery for about 15 minutes all to no avail.
Turn on the ignition. Some of you might wonder why one would do such a thing. Ive checked all tires including the spare and their pressures are fine. Once the above steps are completed youll want to drive around for a bit to see if the light turns off.
There are actually many reasons to do so. If the cold weather conditions cause the tpms light to stay on check the tire pressure when tires are cold and inflate the tire to the proper pressure indicated on the door placard. 1 out of 12. When the tire pressure warning system may not work.
Inflate all tires to the pressure listed on the vehicle placard. I checked the main2nd switch under the dash and even tried it on both settings. As the tire warms up under normal driving conditions the light may turn off. Put your palm face up at the bottom of the dash precisely half way between the gas and brake pedals.
Press and hold the reset switch until the tire pressure warning light blinks slowly three times. Abs warning light have the vehicle inspected by your lexus dealer immediately. Tire pressure can drop due to cold conditions and this drop in pressure may cause the tpms light to come on. Wait a few minutes and then turn the engine off.
In this case resetting the tpms should turn the light off.