eiru_car_services/views/res_partner_view.xml

<?xml version="1.0"?>
<openerp>
    <data>
        <act_window
            id="action_open_cars"
            name="Vehiculos"
            res_model="car.service"
            view_type="form"
            view_mode="tree,form"
            domain="[('partner_id', '=', active_id)]"/>

        <act_window
            id="action_open_secure_cars"
            name="Vehiculos Asegurados"
            res_model="car.service"
            view_type="form"
            view_mode="tree,form"
            domain="[('secure_id', '=', active_id)]"/>

        <record id="res_partner_secure_form_view" model="ir.ui.view">
            <field name="name">partner.secure.form.view</field>
            <field name="model">res.partner</field>
            <field name="inherit_id" ref="base.view_partner_form"/>
            <field name="arch" type="xml">
                <field name="category_id" position="after">
                    <field name="is_insurer" class="oe_inline" attrs="{'invisible': [('is_company','=', False)]}"/><label for="is_insurer" string="¿Es un Aseguradora?" attrs="{'invisible': [('is_company','=', False)]}"/>
                    <field name="is_agent" class="oe_inline" attrs="{'invisible': [('is_company','!=', False)]}"/><label for="is_agent" string="¿Es un Agente?" attrs="{'invisible': [('is_company','!=', False)]}"/>
                </field>
                <field name="parent_id" position="replace">
                     <field name="parent_id" placeholder="Company" domain="[('is_company', '=', True),('is_insurer', '=', True)]" context="{'default_is_company': True, 'default_supplier': supplier, 'default_customer': customer}" attrs="{'invisible': [('is_company','=', True),('parent_id', '=', False)],'required': [('is_agent','=', True)]}" on_change="onchange_address(use_parent_address, parent_id)"/>
                </field>
                <div name="buttons" position="after">
                    <div class="oe_right oe_button_box">
                        <button
                            class="oe_inline oe_stat_button"
                            type="action"
                            name="%(action_open_cars)d"
                            icon="fa fa-car"
                            attrs="{'invisible': [('customer', '=', False)]}">
                            <field name="car_count" string="Vehiculos" widget="statinfo" />
                        </button>
                        <button
                            class="oe_inline oe_stat_button"
                            type="action"
                            name="%(action_open_secure_cars)d"
                            icon="fa fa-folder-open"
                            attrs="{'invisible': [('is_insurer', '=', False)]}">
                            <field name="car_secure_count" string="Asegurados" widget="statinfo" />
                        </button>
                    </div>
                </div>
            </field>
        </record>
    </data>
</openerp>