Damage damage Electical damage

I got car track installed in my car in the begining of the year i started my car before install all was well and runnig like a dream after my install my car had a loud knock on start the car track tec response was we always have a prob with VW with out checking the cause thy left the car like that . My wife calls me at work and tels me she cant come to fetch me becouse of the knock she is afraid to break down on the road i had to take a bolt from work to home 33 kl .when i got home i started the car same knock i called car track thy loggd a ticket and thas where it stayed

i started the car again same knock i left the car to idle after about 20 min the knock stopped ,lovely took the car around the block only to see it does not change gears automaticly i have to change it on my steering wheel reported it again no luck no feedback it was just left like that

I drowve the car like that its my only transport a month after that my wifre dropped met at work went home at 3 o clock the called me told me the car does not want to start i took a bolt home again got home turned on the car on enjn light

i got a mecanic out to come and take a look he found my ECU blew o lovely after replaceing the ecu and got all the new codeing done the car started dove still nog automtic gears drove the car for about 2 month just to have another breakdown all 4 my injectors blew

now car track want to call about my account but did nothing to take a look at the reported issue no i have about R55 000 damage on the car Thank you car track