TREATEN MESSAGES FROM STAFF,

Good day i rented a vehicle from future motor lease in 2022, however i did not even have the vehicle for 6 months, since i got the vehicle, first month engine light went on, vehicle was given back until fix, it,received it back again, engine light went on, three months after having the vehicle i got into an accident, which was very small, so they booked the vehicle in, for a whole month, technically i drove that vehicle all in all for 4 months only, thenboom due for a service, diagnostics showed so many problems on the vehicle resulting to cost of R12 000, i paid for the service, i paid access for insurance, after giving the vehicle back, i all of the sudden received a bill, in which i refuse tio pay, for a car i barely drove, with so many problems, my concern is, the lady in legal Karabo, first time she emailed me VERY rude, threatens me to pay it, POPI act, treatens me on whatsapp and i ended up blocking the number, on the 24t June i received another treat from Future Motor Lease, in which i feel im gone open a case they putting my life at risk like i stole the vehicle, treatens me, forcing me to unblock them on whatsapp, giving me an ultimate date, treaten to come to my place of employment, cosumer act how is that legal, the more i ask for a brreakdown as i did not have this vehicle long, i reported them once on ombusdman