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Yes, the airbag/restraint light is often triggered by a disconnected seat belt safety plug located under the driver's seat. Some people disconnect this plug so the vehicle will not chime the alarm while the seat belt is disconnected.
First check circuit breaker #8 and fuse #19 in the rear fuse panel. If these are OK, you will have to troubleshoot the seat heaters themselves (loose connector, broken wires, defective heater coil, etc.)
Help anybody? I have a 2010 Lincoln MKX with heated and cooled front seats. However, when I try to turn them on (85% of the time) they don't work. Primarily when it's cold the heated seats won't stay on... The light turns on for a fast count of 1-5 and then turns off. This has happened since the car was new and I've had it into the dealer 4 times to have it fixed (with no resolve). In their defense they suggest it's fixed each time because they test the heated seats when the vehicle is warm in the shop. Unfortunately, this is nearly the only time it stays on. I would love to recommend a suggested fix to the dealer as they don't seem to be able to repair it... Any ideas???
Possibly.... the only way I know to diagnosis this issue is with an amp meter in the circuit that heats the seats. Compare LH & RH seat heating current draw. If you find the pass seat is NOT drawing the same amount of current, further troublshooting is required. There are TWO heating elements installed in the seats -- seat bottom & seat back, and they are connected in 'SERIES'... so if either element goes/is 'OPEN', then it's component replacement time. There is a thermostat in the heating elements -- it regulates the seat temperature. One must isolate the two elements & check each one individually (seat bottom - checking resistance... and seat back - checking resistance). whichever one (or possibly both) are 'OPEN'. If you find resistance is normal (3 to 5 ohms), then the problem/cause may be in the switch (or its contacts). Using a test light (12 volt bulb), check for power (battery voltage) at the heating element connector to ground (chassis). If the bulb lights up, you know you have power at the switch and is sending it to the heating elements.