2006 Lexus GS 300 Owners Manual - Page 1148

MAINTENANCE Battery Your Lexus has a maintenance free battery. You do not have to add distilled water. For longer life of the battery, however, see page 581 for additional information. Brake fluid level Make sure the brake fluid level is correct. See page 547 for additional information. Engine oil level Check the level on the dipstick with the engine turned off and the vehicle parked on a level spot. See page 530 for additional information. Exhaust system If you notice any change in the sound of the exhaust or smell exhaust fumes, have the cause located and corrected immediately. (See "Engine exhaust caution" on page 347.) Vehicle interior Items listed below should be checked regularly, e.g. while performing periodic services, cleaning the vehicle, etc. Lights Make sure the headlight, stop lights, tail lights, turn signal lights, and other lights are working. Check headlight aim. Service reminder indicators and warning buzzers Check that all service reminder indicators and warning buzzers function properly. Steering wheel Check that it has the specified free play. Be alert for changes in steering condition, such as hard steering, excessive free play or strange noise. Seats Check that all front seat controls such as seat adjusters, seatback recliner, etc. operate smoothly. Check that the head restraints move up and down smoothly and that the locks hold securely in any latched position. Seat belts Check that the seat belt system such as buckles, retractors and anchors operate properly and smoothly. Make sure the belt webbing is not cut, frayed, worn or damaged. 502