2009 Lexus GS 460 Owners Manual - Page 499
2009 Lexus GS 460 Manual
Page 499 highlights
4-3. Do-it-yourself maintenance n How to initialize the tire pressure warning system STEP 1 Park the vehicle in safe place and turn the "ENGINE START STOP" switch to OFF. While the vehicle is moving, initialization is not performed. STEP 2 Adjust the tire inflation pressure to the specified cold tire inflation pressure level. (→P. 570) Make sure to adjust the tire pressure to the specified cold tire inflation pressure level. The tire pressure warning system will operate based on this pressure level. STEP 3 STEP 4 Turn the "ENGINE START STOP" switch to IGNITION ON mode. Push and hold the tire pressure warning reset switch until the tire pressure warning light blinks slowly three times and the message "PRESSURE INITIAL" appears on the multi-information display. STEP 5 Wait for a few minutes with the IGNITION ON mode, and then turn the "ENGINE START STOP" switch to OFF. 440 GS_G_U (OM30B43U) March 8, 2010 10:20 am