How do you replace the wiper motor on a 2000 Buick LeSabre?

To replace the wiper motor on a 2000 Buick LeSabre, start by disconnecting the negative battery cable to ensure safety. Remove the wiper arms by loosening the nuts at their bases, then take off the cowl cover to access the motor. Unplug the electrical connector from the wiper motor, unbolt the motor from its mount, and replace it with the new unit. Finally, reassemble the cowl, reattach the wiper arms, and reconnect the battery.