How do you replace the gear shift selector light in a 2004 Volvo S40?

To replace the gear shift selector light in a 2004 Volvo S40, first, disconnect the car battery to ensure safety. Then, remove the trim around the gear shifter by gently prying it up, and unscrew any fasteners holding the shifter assembly in place. Once exposed, locate the bulb socket for the gear shift light, twist it counterclockwise to remove, and replace the bulb. Reassemble the components in reverse order and reconnect the battery.