defaulted vehicle

I bought a Datsun go in 5 /01 /2016 I STARTED TO HAVE PROBLEMS IN NOVEMBER 2016 WERE THE VEHICLE JUST SWITCH OFF AND WHEN U TRY TO START IT THE HEAD LIGHTS COMES ON AND REFUSES TO START IT WAS TAKEN TO CMH NISSAN BALLITO WERE I PURCHASED IT FROM FOR +-7 TIMES BUT PROBLEM PERSISTED AND THEN TOOK TO SUCROSE IN STANGER WE'RE THE VEHICLE HAS BEEN TOWED MORE THAN TEN TIMES BY DIFFENT BREAKDOWN COMPANIES . THIS VEHICLE IS SPENDING MORE TYM AT DEALER SHIP AND BREAKDOWN THAN BY THE PERSON THAT BOUGHT . I WAS TOLD THAT BAR LIGHT THEN THE TWO WAY RADIO THEN THE TRACKER THEN THE IGNITION THEN THE COMPUTER BOX WHICH THE VEHICLE SPENT A MONTH AT THE DEALER SHIP SUCROSE STANGER AND CAME OUT LAST THURSDAY 21/12/2017 AND TOWED ON SATURDAYLL AT 13H00 BY COASTAL BREAKDOWN STANGER WITH THE SAME PROBLE TRIED NISSAN SOUTH AFRICA STILL NO SUCCESS.