diff --git a/ComfortableMove/ComfortableMove/Core/Manager/AlertManager.swift b/ComfortableMove/ComfortableMove/Core/Manager/AlertManager.swift
new file mode 100644
index 0000000..bfe48d8
--- /dev/null
+++ b/ComfortableMove/ComfortableMove/Core/Manager/AlertManager.swift
@@ -0,0 +1,106 @@
+//
+//  AlertManager.swift
+//  ComfortableMove
+//
+//  Created by Claude on 11/15/25.
+//
+
+import Foundation
+import SwiftUI
+
+// MARK: - Alert Types
+enum AlertType: Identifiable {
+    case outOfSeoul
+    case apiError
+    case bluetoothUnsupported
+    case bluetoothUnauthorized
+    case locationUnauthorized
+
+    var id: String {
+        switch self {
+        case .outOfSeoul: return "outOfSeoul"
+        case .apiError: return "apiError"
+        case .bluetoothUnsupported: return "bluetoothUnsupported"
+        case .bluetoothUnauthorized: return "bluetoothUnauthorized"
+        case .locationUnauthorized: return "locationUnauthorized"
+        }
+    }
+
+    var priority: Int {
+        switch self {
+        case .locationUnauthorized: return 3
+        case .bluetoothUnsupported, .bluetoothUnauthorized: return 2
+        case .outOfSeoul: return 1
+        case .apiError: return 0
+        }
+    }
+
+    var title: String {
+        switch self {
+        case .outOfSeoul:
+            return "서울 외 지역"
+        case .apiError:
+            return "서버 오류"
+        case .bluetoothUnsupported:
+            return "블루투스 미지원"
+        case .bluetoothUnauthorized:
+            return "블루투스 권한 필요"
+        case .locationUnauthorized:
+            return "위치 권한 필요"
+        }
+    }
+
+    var message: String {
+        switch self {
+        case .outOfSeoul:
+            return "현재 서울 지역에서만 서비스를 이용할 수 있습니다."
+        case .apiError:
+            return "서버에 문제가 발생했습니다.\n잠시 후 다시 시도해주세요."
+        case .bluetoothUnsupported:
+            return "이 기기는 블루투스를 지원하지 않습니다.\n배려석 알림 기능을 사용할 수 없습니다."
+        case .bluetoothUnauthorized:
+            return "블루투스 권한이 필요합니다.\n설정에서 블루투스 권한을 허용해주세요."
+        case .locationUnauthorized:
+            return "위치 권한이 필요합니다.\n설정에서 위치 권한을 허용해주세요."
+        }
+    }
+
+    var shouldBlockApp: Bool {
+        switch self {
+        case .bluetoothUnsupported, .bluetoothUnauthorized, .locationUnauthorized:
+            return true
+        case .outOfSeoul, .apiError:
+            return false
+        }
+    }
+
+    var primaryButtonText: String {
+        shouldBlockApp ? "설정으로 이동" : "확인"
+    }
+}
+
+// MARK: - Alert Manager
+class AlertManager: ObservableObject {
+    @Published var currentAlert: AlertType?
+
+    func showAlert(_ type: AlertType) {
+        // 현재 alert가 없거나, 새로운 alert의 우선순위가 더 높은 경우에만 표시
+        if let current = currentAlert {
+            if type.priority > current.priority {
+                currentAlert = type
+            }
+        } else {
+            currentAlert = type
+        }
+    }
+
+    func dismissAlert() {
+        currentAlert = nil
+    }
+
+    func openSettings() {
+        if let url = URL(string: UIApplication.openSettingsURLString) {
+            UIApplication.shared.open(url)
+        }
+    }
+}
diff --git a/ComfortableMove/ComfortableMove/Core/Manager/Bluetooth/BluetoothManager.swift b/ComfortableMove/ComfortableMove/Core/Manager/Bluetooth/BluetoothManager.swift
index d435973..bf7414f 100644
--- a/ComfortableMove/ComfortableMove/Core/Manager/Bluetooth/BluetoothManager.swift
+++ b/ComfortableMove/ComfortableMove/Core/Manager/Bluetooth/BluetoothManager.swift
@@ -18,6 +18,9 @@ class BluetoothManager: NSObject, ObservableObject {
     private var onTransmitComplete: ((Bool) -> Void)?
     private var targetBusNumber: String?
 
+    var onBluetoothUnsupported: (() -> Void)?
+    var onBluetoothUnauthorized: (() -> Void)?
+
     override init() {
         super.init()
         centralManager = CBCentralManager(delegate: self, queue: nil)
@@ -74,8 +77,10 @@ extension BluetoothManager: CBCentralManagerDelegate {
             Logger.log(message: "블루투스가 켜져있습니다.")
         case .unauthorized:
             Logger.log(message: "블루투스 권한이 없습니다.")
+            onBluetoothUnauthorized?()
         case .unsupported:
             Logger.log(message: "이 기기는 블루투스를 지원하지 않습니다.")
+            onBluetoothUnsupported?()
         default:
             break
         }
diff --git a/ComfortableMove/ComfortableMove/Core/Manager/BusArrivalService.swift b/ComfortableMove/ComfortableMove/Core/Manager/BusArrivalService.swift
index d4b707d..a400272 100644
--- a/ComfortableMove/ComfortableMove/Core/Manager/BusArrivalService.swift
+++ b/ComfortableMove/ComfortableMove/Core/Manager/BusArrivalService.swift
@@ -48,7 +48,7 @@ class BusArrivalService {
 
         guard result.msgHeader.isSuccess else {
             Logger.log(message: "❌ [API] API Error: \(result.msgHeader.headerMsg)")
-            return []
+            throw NSError(domain: "APIError", code: -1, userInfo: [NSLocalizedDescriptionKey: result.msgHeader.headerMsg])
         }
 
         let items = result.msgBody.itemList ?? []
diff --git a/ComfortableMove/ComfortableMove/Core/Manager/BusStopService.swift b/ComfortableMove/ComfortableMove/Core/Manager/BusStopService.swift
index 508c5e6..b0803f4 100644
--- a/ComfortableMove/ComfortableMove/Core/Manager/BusStopService.swift
+++ b/ComfortableMove/ComfortableMove/Core/Manager/BusStopService.swift
@@ -49,9 +49,15 @@ class BusStopService {
         Logger.log(message: "🚏 [API] Header Message: \(result.msgHeader.headerMsg)")
         Logger.log(message: "🚏 [API] Item Count: \(result.msgHeader.itemCount)")
 
+        // 서울 외 지역 체크
+        if result.msgHeader.isOutOfSeoul {
+            Logger.log(message: "❌ [API] Out of Seoul: \(result.msgHeader.headerMsg)")
+            throw NSError(domain: "OutOfSeoul", code: 4, userInfo: [NSLocalizedDescriptionKey: "서울 외 지역"])
+        }
+
         guard result.msgHeader.isSuccess else {
             Logger.log(message: "❌ [API] API Error: \(result.msgHeader.headerMsg)")
-            return []
+            throw NSError(domain: "APIError", code: -1, userInfo: [NSLocalizedDescriptionKey: result.msgHeader.headerMsg])
         }
 
         let stations = result.msgBody.itemList ?? []
diff --git a/ComfortableMove/ComfortableMove/Core/Manager/LocationManager.swift b/ComfortableMove/ComfortableMove/Core/Manager/LocationManager.swift
index b4ca2ce..9da5b24 100644
--- a/ComfortableMove/ComfortableMove/Core/Manager/LocationManager.swift
+++ b/ComfortableMove/ComfortableMove/Core/Manager/LocationManager.swift
@@ -39,9 +39,13 @@ class LocationManager: NSObject, ObservableObject, CLLocationManagerDelegate {
     }
 
     func locationManagerDidChangeAuthorization(_ manager: CLLocationManager) {
-        if manager.authorizationStatus == .authorizedWhenInUse ||
-           manager.authorizationStatus == .authorizedAlways {
+        switch manager.authorizationStatus {
+        case .authorizedWhenInUse, .authorizedAlways:
             manager.startUpdatingLocation()
+        case .denied, .restricted:
+            showPermissionAlert = true
+        default:
+            break
         }
     }
 
diff --git a/ComfortableMove/ComfortableMove/Core/Model/BusArrivalResponse.swift b/ComfortableMove/ComfortableMove/Core/Model/BusArrivalResponse.swift
index b5dd8ae..b221bd5 100644
--- a/ComfortableMove/ComfortableMove/Core/Model/BusArrivalResponse.swift
+++ b/ComfortableMove/ComfortableMove/Core/Model/BusArrivalResponse.swift
@@ -108,6 +108,10 @@ struct MsgHeader: Codable {
     var isSuccess: Bool {
         return headerCd == "0"
     }
+
+    var isOutOfSeoul: Bool {
+        return headerCd == "4" && headerMsg == "결과가 없습니다."
+    }
 }
 
 // MARK: - 메시지 본문
diff --git a/ComfortableMove/ComfortableMove/Core/Presentation/Help/InfoView.swift b/ComfortableMove/ComfortableMove/Core/Presentation/Help/InfoView.swift
index 453f017..c872568 100644
--- a/ComfortableMove/ComfortableMove/Core/Presentation/Help/InfoView.swift
+++ b/ComfortableMove/ComfortableMove/Core/Presentation/Help/InfoView.swift
@@ -8,9 +8,22 @@
 import SwiftUI
 
 struct InfoView: View {
-    @Environment(\.dismiss) private var dismiss
     private let appVersion = Bundle.main.infoDictionary?["CFBundleShortVersionString"] as? String ?? "1.0.0"
-
+    
+    @Environment(\.presentationMode) var presentationMode: Binding<PresentationMode>
+    
+    var backButton : some View {  // <-- 👀 커스텀 버튼
+        Button{
+            self.presentationMode.wrappedValue.dismiss()
+        } label: {
+            HStack {
+                Image(systemName: "chevron.left") // 화살표 Image
+                    .aspectRatio(contentMode: .fit)
+                    .foregroundStyle(Color.white)
+            }
+        }
+    }
+    
     var body: some View {
         VStack(spacing: 0) {
             Spacer()
@@ -21,7 +34,7 @@ struct InfoView: View {
                 .scaledToFit()
                 .frame(width: 100, height: 170)
                 .padding(.bottom, 100)
-
+            
             // 하단 리스트 영역
             VStack(spacing: 0) {
                 // 버전 정보
@@ -37,10 +50,10 @@ struct InfoView: View {
                 .padding(.horizontal, 20)
                 .padding(.vertical, 16)
                 .background(Color.white)
-
+                
                 Divider()
                     .padding(.leading, 20)
-
+                
                 // 앱 문의
                 Button(action: {
                     if let url = URL(string: "https://forms.gle/rnSD44sUEuy1nLaH6") {
@@ -60,10 +73,10 @@ struct InfoView: View {
                     .padding(.vertical, 16)
                     .background(Color.white)
                 }
-
+                
                 Divider()
                     .padding(.leading, 20)
-
+                
                 // 개인정보 처리 방침 및 이용약관
                 Button(action: {
                     if let url = URL(string: "https://important-hisser-903.notion.site/10-22-ver-29a65f12c44480b6b591e726c5c80f89?source=copy_link") {
@@ -87,12 +100,13 @@ struct InfoView: View {
             .background(Color.white)
             .cornerRadius(20)
             .padding(.horizontal, 20)
-
+            
             Spacer()
         }
         .background(Color("BFPrimaryColor"))
         .navigationBarTitleDisplayMode(.inline)
-        .navigationBarBackButtonHidden(false)
+        .navigationBarBackButtonHidden(true)
+        .navigationBarItems(leading: backButton)
         .navigationTitle("앱정보")
         .toolbarBackground(Color("BFPrimaryColor"), for: .navigationBar)
         .toolbarBackground(.visible, for: .navigationBar)
diff --git a/ComfortableMove/ComfortableMove/Core/Presentation/Home/HomeView.swift b/ComfortableMove/ComfortableMove/Core/Presentation/Home/HomeView.swift
index 241d855..c458ab9 100644
--- a/ComfortableMove/ComfortableMove/Core/Presentation/Home/HomeView.swift
+++ b/ComfortableMove/ComfortableMove/Core/Presentation/Home/HomeView.swift
@@ -11,21 +11,22 @@ import CoreLocation
 struct HomeView: View {
     @StateObject private var locationManager = LocationManager()
     @StateObject private var bluetoothManager = BluetoothManager()
+    @StateObject private var alertManager = AlertManager()
 
     @State private var selectedRouteName: String?
     @State private var busArrivals: [String: BusArrivalItem] = [:] // routeName: 도착정보
     @State private var isLoadingArrivals = false
     @State private var nearestStation: StationItem? // 가장 가까운 정류소
     @State private var isLoadingStation = false
-    
+
     // Alert 상태
     @State private var showConfirmAlert = false
     @State private var showSuccessAlert = false
     @State private var showFailureAlert = false
-    
+
     // 화면 표시 상태
     @State private var showHelpPage = false
-    
+
     // 버튼 상태
     @State private var isButtonTapped = false
     
@@ -109,7 +110,7 @@ struct HomeView: View {
                             Spacer()
 
                             Button(action: {
-                                refreshBusArrivals()
+                                refreshLocation()
                             }) {
                                 Image(systemName: "arrow.clockwise")
                                     .font(.title2)
@@ -206,6 +207,7 @@ struct HomeView: View {
             .background(Color("BFPrimaryColor"))
             .ignoresSafeArea(.all, edges: .top)
             .onAppear {
+                setupAlertCallbacks()
                 locationManager.requestPermission()
             }
             .onChange(of: locationManager.currentLocation) { newLocation in
@@ -213,6 +215,11 @@ struct HomeView: View {
                     findNearestStation(location: location)
                 }
             }
+            .onChange(of: locationManager.showPermissionAlert) { shouldShow in
+                if shouldShow {
+                    alertManager.showAlert(.locationUnauthorized)
+                }
+            }
             .onChange(of: nearestStation) { newStation in
                 if newStation != nil {
                     refreshBusArrivals()
@@ -237,12 +244,43 @@ struct HomeView: View {
             } message: {
                 Text("다시 한번 시도해주세요.")
             }
+            .alert(item: $alertManager.currentAlert) { alertType in
+                if alertType.shouldBlockApp {
+                    return Alert(
+                        title: Text(alertType.title),
+                        message: Text(alertType.message),
+                        primaryButton: .default(Text(alertType.primaryButtonText)) {
+                            alertManager.openSettings()
+                        },
+                        secondaryButton: .cancel(Text("취소"))
+                    )
+                } else {
+                    return Alert(
+                        title: Text(alertType.title),
+                        message: Text(alertType.message),
+                        dismissButton: .default(Text(alertType.primaryButtonText)) {
+                            alertManager.dismissAlert()
+                        }
+                    )
+                }
+            }
             .overlay(
                 showHelpPage ? HelpPageView(isPresented: $showHelpPage) : nil
             )
             .navigationBarHidden(true)
         }
     }
+
+    // MARK: - Setup Alert Callbacks
+    private func setupAlertCallbacks() {
+        bluetoothManager.onBluetoothUnsupported = {
+            alertManager.showAlert(.bluetoothUnsupported)
+        }
+
+        bluetoothManager.onBluetoothUnauthorized = {
+            alertManager.showAlert(.bluetoothUnauthorized)
+        }
+    }
     
     // MARK: - Computed Properties
     private var selectedBusName: String {
@@ -267,7 +305,16 @@ struct HomeView: View {
         isButtonTapped = false
         selectedRouteName = nil
     }
-    
+
+    // MARK: - 위치 새로고침
+    private func refreshLocation() {
+        guard let location = locationManager.currentLocation else {
+            locationManager.refreshLocation()
+            return
+        }
+        findNearestStation(location: location)
+    }
+
     // MARK: - 가장 가까운 정류소 찾기
     private func findNearestStation(location: CLLocation) {
         isLoadingStation = true
@@ -284,8 +331,15 @@ struct HomeView: View {
                     Logger.log(message: "⚠️ [HomeView] No stations found within radius")
                     nearestStation = nil
                 }
-            } catch {
+            } catch let error as NSError {
                 Logger.log(message: "❌ [HomeView] Failed to find nearest station: \(error)")
+
+                // 서울 외 지역 체크
+                if error.domain == "OutOfSeoul" {
+                    alertManager.showAlert(.outOfSeoul)
+                } else {
+                    alertManager.showAlert(.apiError)
+                }
                 nearestStation = nil
             }
 
@@ -310,9 +364,14 @@ struct HomeView: View {
                 }
 
                 busArrivals = newArrivals
-                
-            } catch {
+
+            } catch let error as NSError {
                 Logger.log(message: "❌ [HomeView] Failed to fetch arrival info: \(error)")
+
+                // API 에러 처리
+                if error.domain == "APIError" {
+                    alertManager.showAlert(.apiError)
+                }
             }
 
             isLoadingArrivals = false