10 watt. Bulb. COUPE. PartQualifier: 10 watt. A light bulb for a courtesy light. A light bulb for a dome light. A light bulb for a map light. A light bulb for a trunk light. A light bulb for an engine compartment light. 12V 10W. Courtesy. Dome. Engine Compartment. Map. Trunk. Included with: Cargo lamp, Interior lamp.