How do you replace the windshield washer reservoir for a 1999 Lexus 300 Rx?

To replace the windshield washer reservoir on a 1999 Lexus RX 300, first, disconnect the negative battery cable for safety. Remove any screws or clips securing the reservoir, then disconnect the washer fluid hoses and electrical connectors. Carefully lift the reservoir out and install the new one by reversing the steps: connect the hoses and electrical connectors, secure it with screws or clips, and finally, reconnect the battery. Fill the reservoir with washer fluid to complete the replacement.