How do you change daytime running light module in a 1999timely Buick regal?

To change the daytime running light module in a 1999 Buick Regal, first, disconnect the negative battery cable to ensure safety. Locate the DRL module, which is typically found near the driver's side of the engine compartment or behind the headlight assembly. Remove any necessary components for access, then disconnect the wiring harness from the old module and unscrew it from its mounting. Install the new module by reversing the process, ensuring all connections are secure before reconnecting the battery.