How do you replace timing belt on 99 3.5 rl acura?

To replace the timing belt on a 1999 Acura RL 3.5, first ensure the engine is cool, then disconnect the battery. Remove the engine covers, accessory belts, and any components obstructing access to the timing belt. Align the timing marks on the crankshaft and camshafts, then remove the old timing belt and replace it with the new one, ensuring proper tension. Reassemble all removed components and reconnect the battery before starting the engine.