Hr Officer read rights on vehicle with employees assigned ['|', ('driver_employee_id', '!=', False), ('future_driver_employee_id', '!=', False)] User can see contracts from his/her corresponding employee [('vehicle_id.driver_employee_id.user_id','=',user.id)] User can see vehicle's services from his/her corresponding employee [('vehicle_id.driver_employee_id.user_id','=',user.id)] User can see vehicle's odometer from his/her corresponding employee [('vehicle_id.driver_employee_id.user_id','=',user.id)] User can see vehicles from his/her corresponding employee [('driver_employee_id.user_id','=',user.id)]