2004 Lexus LS 430 User Guide - Page 456

MAINTENANCE Accelerator pedal Check the pedal for smooth operation and uneven pedal effort or catching. Brake pedal Check the pedal for smooth operation and the proper clearance and free play. Check the brake booster function. Brakes In a safe place, check that the brakes do not pull to one side when applied. Parking brake Check that the pedal has the proper travel and that, on a safe incline, your vehicle is held securely with only the parking brake applied. Automatic transmission "Park" mechanism On a safe incline, check that your vehicle is held securely with the selector lever in "P" position and all brakes released. Vehicle exterior Items listed below should be performed from time to time, unless otherwise specified. Fluid leaks Check underneath for leaking fuel, oil, water or other fluid after the vehicle has been parked for a while. If you smell fuel fumes or notice any leak, have the cause found and corrected immediately. Doors and engine hood Check that all doors, including trunk lid, operate smoothly and all latches lock securely. Make sure the engine hood secondary latch secures the hood when the primary latch is released. Wheel nuts When checking the tires, make sure to check the nuts for looseness. Tighten them if necessary. Tire inflation pressure Check the pressure with a gauge every two weeks, or at least once a month and adjust as shown on the tire loading and information label. See page 476 for additional information. Tire surface Check the tires carefully for cuts, damage or excessive wear. See page 490 for additional information. 438