diff --git a/.idea/misc.xml b/.idea/misc.xml
index fdc35ea..0c04b52 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -8,7 +8,7 @@
       </list>
     </option>
   </component>
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_21" default="true" project-jdk-name="21" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_25" default="true" project-jdk-name="25" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/out" />
   </component>
 </project>
\ No newline at end of file
diff --git a/src/main/java/org/model/Vehicle.java b/src/main/java/org/model/Vehicle.java
index 70615a9..b664a1a 100644
--- a/src/main/java/org/model/Vehicle.java
+++ b/src/main/java/org/model/Vehicle.java
@@ -22,11 +22,30 @@ public abstract class Vehicle {
 
     // TODO: Create getters for all fields
 
+    public String getBrand() {
+        return brand;
+    }
+    public String getModel() {
+        return model;
+    }
+    public int getYear(){
+        return year;
+    }
+    public double getMileage() {
+        return mileage;
+    }
+
     // TODO: Implement addMileage(double km)
-    // If km is negative → print error
-    // Otherwise increase mileage
+    public void addMileage(double km){
+        if(km < 0){
+            System.out.println("Error: can\'t add negetive number!");
+            return;
+        }
+        mileage += km;
+    }
 
     // TODO: Declare abstract method getEnergyType()
+    public abstract String getEnergyType();
 
     public void basicInfo() {
         System.out.println(