As per Section 17(5) of CGST Act :
ITC on Motor vehicles for transportation of persons with seating capacity ≤ 13 persons (including the driver) is blocked. However if such motor vehicles are used for:
making further taxable supply of such motor vehicles
making taxable supply of transportation of passengers
making taxable supply of imparting training
on driving such motor vehicles
Then ITC can be claimed.
If ITC is not available on a vehicle due to above reasons, then ITC on its repairs or insurance is also not available. But, if ITC is available on vehicle due to above exceptions, then ITC is also available on repairs and insurance.