Likely.
It might be, if it were her home to begin with. The home belonged to one of her employees and the owner probably gave her just one key and the garage door opener. So, she gave him the garage door opener so he could park his car in the garage so it wouldn't be visible to the rest of the world. When you are cheating on your wife, you don't' want anyone seeing your car parked at some other woman's living quarters.
It might be, if it were her home to begin with. The home belonged to one of her employees and the owner probably gave her just one key and the garage door opener. So, she gave him the garage door opener so he could park his car in the garage so it wouldn't be visible to the rest of the world. When you are cheating on your wife, you don't' want anyone seeing your car parked at some other woman's living quarters.