2009 Lexus GS 450h Owners Manual - Page 501

4-3. Do-it-yourself maintenance n Engine oil consumption l The amount of engine oil consumed depends on the oil viscosity, the quality of the oil and the way the vehicle is driven. l More oil is consumed under driving conditions such as high speeds, frequent acceleration and deceleration. l A new engine consumes more oil. l When judging the amount of oil consumption, keep in mind that the oil may have become diluted, making it difficult to judge the true level accurately. l Oil consumption: Max. 1.1 qt./600 miles, 0.9 Imp.qt./600 miles (1.0 L per 1000 km). If the vehicle consumes more than this amount, contact your Lexus dealer. n Resetting the engine oil maintenance data (U.S.A. only) Perform the following steps: STEP 1 Press the "DISP" switch (→P. 167) to change the multi-information display to blank. STEP 2 Turn the "POWER" switch to OFF. STEP 3 Turn the "POWER" switch to ON mode with the trip meter reset button held down. STEP 4 Keep pressing the button for longer than 7 seconds after the "POWER" switch is in ON mode. After the above operation, the message shown in the left will appear on the display. The master warning light and tone will turn on. After 5 seconds, the system reset is completed. 442 GS_HV_U (OM30B44U) March 8, 2010 10:03 am