The part number is W716510-S300 they come in bags of 4. It was $6 at the dealer. I lost one also and bought a bag, good thing I got 4 since I lost a secon one
Had a weird one today, started the car and since it was raining cats and dogs I tried to toggle to wet and snow but nothing happened, decided to try the rest and they were all dead including the hazards, shut down and restarted the car with no help. Then when driving home S+ came on the dash...
Welcome, does your car have the same cooling seat problem that most of us have? I haven't had a chance to take mine in yet. Pete has been my service advisor for the last 11 years. Enjoy the forum there is lots of useful info and ideas.
The temps here in AZ are well over 100 and my seat bottoms get a little cool but the back is like a blast furnace. It never cools but blows plenty of hot air in the middle of my back.