u/ExperienceFrosty8722

I bought this highlander back in 2022. Ever since, it has had Many electric issues.

I have replaced the battery 3 times since. My new electric issue is the car alarm keeps going off every 20ish minutes but only at night time and early morning but never during the day. It stops at around 8am and then not again until 2am. It’s very strange.

Is this a battery issue? Or a messed up sensor?

We have replaced the batteries in the key fobs as well thinking that might solve the issue but it did not in fact solve the issue.

Before when my battery was knowingly dying this hasn’t happened.

I am a very tired person.. I have to sleep with my key fob to stop the alarm.

Please help.