fleet_car_workshop/views/report.xml

<openerp>
    <data>
    <record model="ir.actions.act_window" id="action_car_workshop_report">
                <field name="name">Worksheets</field>
                <field name="res_model">car.workshop</field>
                <field name="view_mode">graph</field>
                <field name="help" type="html">
                    <p>
                        Odoo's car workshop management allows you to manage the pipeline of your work efficiently. You can track progress, discuss on works, attach documents, etc.
                    </p>
                </field>
            </record>


        <menuitem name ="Report" id="report_worksheet" parent="main_workshop_menu" sequence="3"/>
        <menuitem name ="Worksheet" id="vehicle_report" parent="report_worksheet" action="action_car_workshop_report"/>
    </data>
</openerp>