Why does the Lavida have only one reversing light on?

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This is normal as the Lavida is originally equipped with only one reversing light. The reversing light is installed at the rear of the vehicle to alert following traffic and illuminate the road behind for the driver when reversing at night. Typically, it follows the configuration of left fog light and right reversing light. Positioning the reversing light on the right facilitates drivers when reversing and parking on the right side of the road at night. White reversing lights are usually illuminated on both sides for symmetry. However, since national regulations do not mandate two reversing lights, many manufacturers reduce costs by equipping only one. Similar cost-cutting measures include the reduction of fog lights. As regulations only require rear position lights, some manufacturers eliminate front fog lights entirely, retaining only rear lights as another form of specification reduction. In practice, a single illuminated reversing light can actually enhance driver awareness. Symmetrical lighting may cause confusion, potentially making drivers mistake an oncoming vehicle for one traveling in reverse.