Geo Metro front and rear turn signal bulbs utilize 1156 and 1157 sizes, with the front turn signal bulb measuring 1156 and the rear turn signal bulb available in both 1156 and 1157 configurations. The replacement chart covers vehicle production spanning 1989 to 1997, detailing bulb size specifications across these years.
The year-by-year compatibility chart below provides a quick reference to verify the correct bulb size for your vehicle.