2007 Lexus GS 450h Scheduled Maintenance Guide - Page 32

E X P L A N AT I O N OF MAINTENANCE ITEMS Timing Chain The GS 450h is equipped with a timing chain that requires no periodic inspection. Tire Rotation Tires should be rotated according to the instructions in your Owner's Manual. When rotating tires, check pressure and check for damage and uneven wear. If the vehicle is equipped with a spare tire, check the condition and pressure of the spare. Tire-Pressure Warning Sensors A tire-pressure sensor is mounted on each full-size wheel. These sensors do not require periodic maintenance. When a sensor's long-life lithium battery becomes discharged, the battery should be replaced by a qualified technician following procedures in Lexus service and repair publications. Transmission Inspect each transmission component for signs of leakage. If you discover any leakage, have it repaired immediately by a qualified technician. (The electric motor/generators do not require periodic maintenance.) Any service that requires inspecting or replacing transmission fluid should be performed by a qualified technician following procedures in Lexus service and repair publications. Please refer to the important safety precautions found on the inside front cover of this booklet. Variable Gear Ratio Steering Assembly Inspect the variable gear ratio steering assembly for damage and loose electrical connections. Tighten loose connections and if you discover any damage, have it repaired immediately by a qualified technician following procedures in Lexus service and repair publications. MAINTENANCE 70 Scheduled Maintenance Log