On Tuesday, February 9, 2016 at 10:19:50 AM UTC-7, Bill Vanek wrote:
> It's likely that the battery contacts in the fob have some corrosion,
> and that is why the remote started working after the battery change.
> Try cleaning them.

They didn't look dirty but I cleaned 'em anyway, using 91% rubbing alcohol.

Some of the switches that underlie the buttons did look a little dirty. Cleaned those too.

Fob works great now. What a relief!