Car reading light: easy installation, just plug and play; wideangle illumination for clear cabin lighting. W5W T10 5050 5SMD reading light: universal design that fits most kinds of cars; wideangle illumination for better visibility. Car license plate lamp: low power consumption; wideangle illumination to evenly light the plate. These LEDs work on all vehicles, with or without a CANBUS system, and will not trigger dashboard error warnings. Use scenarios: Interior cabin upgrade: stock bulbs in the reading light for brighter, broader illumination during night driving or nighttime map reading. Nighttime visibility for the plate: install the license plate lamps to improve plate readability and safety when parked or driving at night. Suitable for cars with or without CANBUS systems, ensuring a seamless upgrade without dashboard error indicators.