Brake lights come on when vehicle is parked and unattended and not running. on 2004 Ford Freestar

Brake lights come on when my 2004 ford freestar is not running, parked and unattended. It happens fairly often and drains the battery.

2 answers
sounds typical for this vehicle work at a parts store and we run from these. they are an electrical nightmare.sounds like wiring issues light wiring is the usual issue
Any add on accessories? IF NOT, replace the brakelight switch. Or have it replaced!