Terrible service tarnishing the brand in a bad light

My son in law bought a brand new Haval H1 at the end of 2019 from Haval Edenvale . All the excitement of purchasing this vehicle from Haval Edenvale have been dashed !!! from the above said branch!!

As witnessed buy myself, right from the sales staff, there real lack of product knowledge , to no clear and decisive communication from the sales dept.to the maintenance department, regarding the maintenance plan of 3years or 60 000km and warranty that comes with a brand new vehicle !!

Recently, the vehicle was booked into Haval Edenvale for it's required service , where he was told that the account for the service were for him !! not through the maintenance plan of three years!!!!! When it states the vehicles maintenance plan covers the vehicle up to 60 000km, this vehicle has not nearly reached the desired km's !!!

After much wrangling and a request buy Haval Edenvale , he sign a non disclosure agreement, to not pursue a legal or liability case against Haval Edenvale. My question why would a non disclosure agreement be requested was it to cover any future claims ,or reflect the branch itself and dealer principle!! Suffice to say my interest now purchasing a Haval ,or purchasing the vehicle from this branch , is in great doubt🤔