this is for the 01 model. it might also be the same for the 03, http://www.porkfist.com/repairs/auto/Lexus-is300-taillight.html
how do i change a parking light bulb on a 2003 hyunadi accent
How do you change the lincen place light bulb on a Lexus gs300 year 1999
How do I change the license plate bulb on a 1993 Lexus ES 300
how do i change front interior light for lexus rx 300 2004 model
2003 Lexus IS300 tail light bulb replacement: Purchase the correct replacement tail light bulb(s) first, before disassembling the vehicle. See sources and related links below for replacement bulb information. Then consult your owner's manual for the tail light bulb replacement procedure. As simple as it sounds, the owner's manual is the best place to start for bulb replacement instructions and illustrations. You may want to consider replacing both left and right at the same time in order to keep brightness and color equal (optional).
how do you change a front turnsignal lightbulb on a 2003 monti Carlo
To change a brake light bulb on a 2003 VW Polo the housing unit must be located. It is found inside the trunk behind a removable plastic piece. Once the plastic is off the bulb can be replaced.
My o/s parking lamp will not light, but, the indicator light is on instead, where do i change the bulb and how do i do this? BMW x5 2003
Not to be unkind - but READ THE MANUAL.
Lexus IS300 3rd brake light is changed from the back seat. Pry the light up and disconnect wiring. Replace bulb and put back together. Easy job