2010 Lexus RX 350 Owners Manual - Page 680

EXPLANATION OF MAINTENANCE ITEMS The following descriptions are provided to give you a better understanding of the maintenance services that should be performed on your vehicle. The scheduled maintenance log indicates at which time/mileage intervals each service should be performed. Please note that many maintenance services should be performed only by a qualified technician. For further information on maintenance services that you can perform yourself, see the maintenance sections of your Owner's Manual. Air Conditioner Filter Clean or replace at specified intervals. More frequent cleaning or replacement may be required when driving in heavy traffic areas, in urban or dusty areas, in desert areas or on dirt roads. Refer to your Owner's Manual for service details. Axle Shaft Boots Check the axle shaft boots and clamps for cracks, deterioration and damage. Replace any damaged parts and, if necessary, repack the grease. A qualified technician should perform these operations. Ball Joints and Dust Covers Check the suspension and steering linkage ball joints for looseness and damage. Check all dust covers for deterioration and damage. A qualified technician should perform these inspections. Battery: 12-Volt (Auxiliary Battery) (RX 450h) The original-equipment 12-volt battery, located on the left side of the cargo compartment, is a sealed, maintenance-free special-application battery that is different from a conventional automotive battery. Replacement batteries are available from your Lexus dealership. Battery: Hybrid (Traction Battery) (RX 450h) The hybrid battery is a NiMH (nickel metal hydride) compact, high-output battery. This battery does not require regular maintenance. However, if the vehicle is parked for a long time, the hybrid battery will discharge gradually. To keep the hybrid battery in good condition, drive the vehicle at least once every several months for at least 30 minutes or 10 miles. If the hybrid battery becomes fully discharged and the vehicle will not start even with a 26 Scheduled Maintenance Log