One problem related to air bag on-off switch has been reported for the 2006 Lincoln Zephyr. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2006 Lincoln Zephyr based on all problems reported for the 2006 Zephyr.
Car has a hard time accelerating/switching gears whole driving in city or on the hwy. . . Causing the engine to buck. This has been ongoing since I've owned the car. At times my airbag light comes on. . . Something to do with the sensors malfunctioning.