Why is my car losing power?

It keeps draining power and alarm keeps going off. Also back passenger brake light keeps coming on when car is off

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Hi @shaunarollins

What is the model and year of the vehicle?

It could be that the brake light is draining the battery if the light stays on for a long time.

Does the brake light turn off after you have pressed and released the brake pedal a few times?

Does the driver side brake light work normally i.e. only comes on when the brake pedal operated?

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