Carens / Ceed / Cerato / Magentis / Picanto / Pro Ceed / Rio / Sedona / Sorento / Sportage
Flat Batteries, On Picanto and Sedona Etc.
Are often caused by not shutting the tailgate fully, this leaves boot light on, which will drain the battery overnight. Some also have a switch like normal interior switch on tailgate, which can get knocked to the on position.