For Cadillac CTS 4-Door Sedan Red Clear Rear Tail Light Brake Lamp Driver Left Side Replacement 100% Brand New, Comes in One Side, Which Means Only Included Left Side (Driver Side) Direct Bolt On Replacement For Your Original Tail Lights, No Wiring or Any Other Modification Needed DOT (Department of Transportation) & SAE (Society of Automotive Engineers) Approved 90 Days Limited Warranty from the date of the shipment shows delivered, No exception Unless Otherwise Noted, Our Lights Do Not Include Bulbs, Though Occasionally Lighting Manufacturers Do Include Bulbs in the Lights.