Bulbs can be replaced you have to get bulbs type 9006 (hb4)
remove bulb from in side the boot
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).
i have an is300 also and a got a xenon hid kit on my fog lights, they can be replaced , the bulb type is 9006 (hb4)
2001 Lexus IS300 turn signal light bulb lamp replacement procedure: Purchase the correct replacement turn signal light bulb(s) first, before disassembling the vehicle. See sources and related links below for replacement bulb information and full light bulb part numbers list. Then consult your owner's manual for the turn signal light bulb lamp 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).
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
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
Easy just pull out the top unit latches to it with 4 inserts.and replace bulb
It will vary depending on if you have HID lighting or Halogen Lighting which you did not include in your question. 2003 Lexus IS300 headlight bulb general replacement procedure: Purchase the correct replacement headlight 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 headlight 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).
Phillips 9006
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Are u talking about replacing the bulb or replacing the light cover?