trying to replace the drivers side headlight, not much room due to wire harnesses etc.

well this is for the 2002. It says that this wasn't even in the instruction manual......http://wiki.answers.com/Q/How_do_you_replace_the_headlight_bulb_located_on_a _2002_Lexus_ES300

Somebody else says to take the battery out and the bulb is right there.......http://wiki.answers.com/Q/How_do_you_replace_right_headlight_bulb_lexus_gs40 0_2000