In article >, pete >
wrote:

> Used to get about a year out of batts. Now down to 9mos. Both FOBs die
> within a week of each other.
>
> Normal/usual?
>
> Or, is this symptomatic of impending car issue?

My 2001 C5 just turned 10 years old and I only changed the
battery in the key fob one time. I wore the letters off but
and it just keeps on working. It even survived a ride in
the washing machine. The next time you change your battery
clean the terminal with alcohol.