Should I schedule an appointment with my nearby dealer?
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On 2019, the directions say to put the key fob in the cup holder to start the car, then get it changed. Same on my 2022 Escalade.If you get a low battery warning don't waste any time. Change the battery immediately. I was able to open the door with my phone but the car wouldn't start. It eventually did and the battery was changed the next day. We got one warning the day before and that was it. Also don't expect the battery to last 10 years or longer like an older key fob. I think it is always operating while inside the car but that's just a guess.