2008 Lexus IS F Owners Manual - Page 567

EXPLANATION OF MAINTENANCE ITEMS deterioration, cracks and damage. Replace any damaged parts. A qualified technician should perform these operations. Timing Chain The IS F 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. Transmission Inspect each transfer case/transmission component for signs of leakage. If you discover any leakage, have it repaired immediately by a qualified technician. Note: The transmission and transmission fluid are a completely sealed unit. Therefore, periodic checks and replacement of the transmission fluid are not required, and there is no dipstick on the transmission. Any repairs that require adding or replacing fluid should be performed by a qualified technician following procedures in Lexus service and repair publications. Scheduled Maintenance Log 69 MAINTENANCE