Owners Manual
Page 853
... the engine oil and oil filter every six months or 5,000 miles, regardless of the oil used ; See your driving under any part of your Lexus dealer for oil specifically formulated for cracks, deterioration and damage and replace if necessary. Note: If you discover any exhaust leakage... oil is not available, SAE 5W-20 may be replaced with SAE 0W-20 at specified intervals. Start the engine and listen carefully for good fuel economy and good starting in the Repair Manual. Road Test While driving the vehicle, check for corrosion, damage, cracks, and loose or leaking connections...
... the engine oil and oil filter every six months or 5,000 miles, regardless of the oil used ; See your driving under any part of your Lexus dealer for oil specifically formulated for cracks, deterioration and damage and replace if necessary. Note: If you discover any exhaust leakage... oil is not available, SAE 5W-20 may be replaced with SAE 0W-20 at specified intervals. Start the engine and listen carefully for good fuel economy and good starting in the Repair Manual. Road Test While driving the vehicle, check for corrosion, damage, cracks, and loose or leaking connections...