12V LEDs upgrade based on bulb finder of 2001~2003 Toyota Prius lights bulb size guide: headlights, turn signal lights, brake tail lights, taillights, backup reverse lights, parking lights, interior dome lights, trunk cargo lights, ash tray lights, license plate lights, side marker lights, exterior and interior lights bulbs upgrade OEM halogen, incandescent or damaged lamps, which will make you drive Better! Safer! Brighter! and Smarter.
It is recommended to double check the stock bulb sizes based on your owner manual or stock lamps before purchasing, as a vehicle's specific bulb type maybe come with different bulbs for different Toyota Prius's trims.