Periodic service is required for better maintenance :-

(i) Checking - engine oil, gear box oil, power steering oil, brake oil.

(ii) Leakages are checked

(iii) Battery health is checked 

(iv) Brake master cylinder is checked.

(v) Topping up of coolant, if required, in the coolant reservoir. 

(vi) Checking the serviceability of cooling system hoses

(vii) Seals are checked. 

(viii) Turbos are checked 

(ix) suspensions -  replacement of hydraulic shocks, bushes, coils, link rods, lower arm, upper arm and leaf springs.

(x) engine and gear mounting is checked and replaced if required. 

(xi) power steering and electronic power steering - checked and repaired/replaced