[Greg556]

It is strange how it happens only when the car is cold. If I start the car a few hours after the car was parked and turned off, I will not see the message. I do not remember seeing this message last winter, but I was not looking for it.

One person on the internet, not here, said it was due to the car's battery being almost depleted. The reason he thought that is only because he replaced the battery and has never saw the message again. But by replacing the battery, he reset everything in the car. I don't buy that because I have no problem starting it and my battery tester shows the correct voltage for both the battery and alternator. Above all, the car was in for service in October, and one of the things they check is the battery, which was good.

Another person thinks it is just a glitch in the car's computer. That sounds like a more plausible explanation.

I thought maybe, it is just the EPB system booting up after say a night of cold. I did do an experiment, usually I wait until the dasboard display is done doing its graphics and shows the 0MPH before I put it in gear. In my test, I did not wait and put the car in gear a split second after I started the car. I got the EPB message for longer with beeping. The same beeping you would get if you activated or deactivated the feature.

 

[Greg556]

Same here! there was someone else that had the same issue and I believe the fix was a new battery. Which makes sense, I know ive ran my battery down a few times and have had to jump it

Yeah. I just don't want to immediately think it's the battery since it has never given me trouble. A good way to see how depleted your battery may be, is to start the car at night. Since I leave the headlights in "Auto", the car is turning over with the lights on. My headlight do dim a little, and I mean a little. If they dim a lot, then yeah, your battery needs attention.

What I am going to do is email the mechanic. He probably has seen this and heard about this many times as he is the dealership mechanic, not an independent person.

 

[Greg556]

Newer vehicles are sensitive to voltage. long story short, lots of sensors that are expecting x amount of voltage. When car batteries start going out, certain parts of the vehicle aren't getting the normal amount of power which means sensors aren't getting x voltage anymore and start freaking out.

Would you recommend then replacing the battery? Because it only happens on a cold start, maybe that would mean the battery has alot of life left.