2010 Lexus RX 350 Owners Manual - Page 684

EXPLANATION OF MAINTENANCE ITEMS Road Test While driving the vehicle, check for proper operation of engine, transmission, brakes and steering. Also check for abnormal noise or vibration from any part of the vehicle. Spark Plugs Replace at specified interval. Install new plugs of the same type as originally equipped (see your Owner's Manual). A qualified technician should perform this operation. RX 350 owners: To ensure optimum engine performance, replace only with Denso FK20HR11 plugs or equivalent. Steering Linkage and Boots With the vehicle stopped, check for excessive freeplay in the steering wheel. Inspect the linkage for bending and damage and the dust boots for deterioration, cracks and damage. Replace any damaged parts. A qualified technician should perform these operations. Timing Chain Your vehicle is equipped with a timing chain that requires no periodic inspection. 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. 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 spare is not rotated, check the condition and pressure of the spare. Transfer Case Oil (RX 350) Check for correct oil level and inspect each component for signs of leakage. If you discover any leakage, have it repaired immediately by a qualified technician. For correct oil, refer to your Owner's Manual. Transmission Fluid (RX 350) Inspect each transmission component for signs of leakage. If you discover any leakage, have it repaired immediately by a qualified technician. 30 Scheduled Maintenance Log