Inheritance in java question

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Java

This is just simple question in java inheritance.
Suppose I created a base class from a super class like

class Toyota extends Car{
String modelNumber;

public Toyota(String modelNumber)
{
this.modelNumber = modelNumber;

//rest of the member data should remain as the default value in the car class.
}

}
the Car class has its own constructor with the default value;


so if I am instantiating a Toyota class in another class then how do i create a new toyota class such that all the member data remain same as a parent class with extra data added as a model number;
does Toyota myCar = new Car() does that ?
is there a mechanism where even if I create a new class using new Toyota() instead of new Car() will inherit the default value for the new Toyota object.