Owners Manual
Page 965
...Clearance The RX 350 is at 120 months/100,000 miles. Engine Oil and Oil Filter Replace the oil filter and drain and refill the engine oil at each oil change. Exhaust Pipes and Mountings Visually inspect the exhaust pipes, muffler and hangers for corrosion, damage, cracks, and loose or leaking connections. Fuel... 60 months/50,000 miles thereafter. A qualified technician should perform these operations. Note: Initial replacement is equipped with a replaceable oil-filter element and oil-filter cap O-ring; For recommended oil grade and viscosity, refer to your Owner's Manual.
...Clearance The RX 350 is at 120 months/100,000 miles. Engine Oil and Oil Filter Replace the oil filter and drain and refill the engine oil at each oil change. Exhaust Pipes and Mountings Visually inspect the exhaust pipes, muffler and hangers for corrosion, damage, cracks, and loose or leaking connections. Fuel... 60 months/50,000 miles thereafter. A qualified technician should perform these operations. Note: Initial replacement is equipped with a replaceable oil-filter element and oil-filter cap O-ring; For recommended oil grade and viscosity, refer to your Owner's Manual.