What bulb is in the vanity mirror on a 2006 Lexus GX470?

The vanity mirror on a 2006 Lexus GX470 typically uses a festoon-style bulb, specifically a 28mm or 31mm bulb. These bulbs are usually of the incandescent type, but some owners may choose to replace them with LED options for better longevity and brightness. Always verify the specific bulb type and size by consulting the vehicle's manual or checking the existing bulb before purchasing a replacement.