How do you change timing belt on 97 Lexus es300?

To change the timing belt on a 1997 Lexus ES300, start by disconnecting the battery and removing the engine covers, accessory belts, and crankshaft pulley. Next, align the timing marks on the camshaft and crankshaft pulleys, then remove the old timing belt. Install the new timing belt, ensuring it's properly tensioned, and reassemble all components in reverse order. Finally, reconnect the battery and start the engine to check for proper operation.