diff --git a/addons/hr_fleet/controllers/main.py b/addons/hr_fleet/controllers/main.py
index 953358035b6..a943fdac284 100644
--- a/addons/hr_fleet/controllers/main.py
+++ b/addons/hr_fleet/controllers/main.py
@@ -19,7 +19,7 @@ class HrFleet(Controller):
             return request.not_found()
 
         employee = request.env['hr.employee'].search([('id', '=', employee_id)], limit=1)
-        partner_ids = (employee.user_id.partner_id | employee.address_home_id).ids
+        partner_ids = (employee.user_id.partner_id | employee.sudo().address_home_id).ids
         if not employee or not partner_ids:
             return request.not_found()
 
diff --git a/addons/hr_fleet/models/employee.py b/addons/hr_fleet/models/employee.py
index 5f1d9bfdff0..b9d37d0fcd5 100644
--- a/addons/hr_fleet/models/employee.py
+++ b/addons/hr_fleet/models/employee.py
@@ -7,12 +7,12 @@ from odoo import fields, models
 class Employee(models.Model):
     _inherit = 'hr.employee'
 
-    employee_cars_count = fields.Integer(compute="_compute_employee_cars_count", string="Cars", group="fleet_manager")
+    employee_cars_count = fields.Integer(compute="_compute_employee_cars_count", string="Cars", groups="fleet.fleet_group_manager")
 
     def action_open_employee_cars(self):
         self.ensure_one()
         cars = self.env['fleet.vehicle.assignation.log'].search([
-            ('driver_id', 'in', (self.user_id.partner_id | self.address_home_id).ids)]).mapped('vehicle_id')
+            ('driver_id', 'in', (self.user_id.partner_id | self.sudo().address_home_id).ids)]).mapped('vehicle_id')
 
         return {
             "type": "ir.actions.act_window",
@@ -23,12 +23,12 @@ class Employee(models.Model):
         }
 
     def _compute_employee_cars_count(self):
-        driver_ids = (self.mapped('user_id.partner_id') | self.mapped('address_home_id')).ids
-        fleet_data = self.env['fleet.vehicle.assignation.log'].sudo().read_group(
+        driver_ids = (self.mapped('user_id.partner_id') | self.sudo().mapped('address_home_id')).ids
+        fleet_data = self.env['fleet.vehicle.assignation.log'].read_group(
             domain=[('driver_id', 'in', driver_ids)], fields=['driver_id'], groupby=['driver_id'])
         mapped_data = dict([(m['driver_id'][0], m['driver_id_count']) for m in fleet_data])
         for employee in self:
-            employee.employee_cars_count = mapped_data.get(employee.user_id.partner_id.id, 0) + mapped_data.get(employee.address_home_id.id, 0)
+            employee.employee_cars_count = mapped_data.get(employee.user_id.partner_id.id, 0) + mapped_data.get(employee.sudo().address_home_id.id, 0)
 
     def action_get_claim_report(self):
         self.ensure_one()