diff --git a/libs/car_model.py b/libs/car_model.py
index 035e4bb..39c23df 100644
--- a/libs/car_model.py
+++ b/libs/car_model.py
@@ -31,7 +31,7 @@ class CarModel:
             if carmodel.match(vin):
                 return carmodel
         logger.warning("Can't get car model, please report an issue on github with your car model"
-                       " and first ten letter of your VIN")
+                       " and first ten letter of your VIN : %s", vin[:10])
         return CarModel("unknown", DEFAULT_BATTERY_POWER, DEFAULT_FUEL_CAPACITY)
 
     @staticmethod