diff --git a/selfdrive/car/hyundai/values.py b/selfdrive/car/hyundai/values.py
index 33b7a2f..cb53cdf 100644
--- a/selfdrive/car/hyundai/values.py
+++ b/selfdrive/car/hyundai/values.py
@@ -39,6 +39,7 @@ class CAR:
   GRANDEUR = "GRANDEUR IG 2017"
   GRANDEUR_HEV = "GRANDEUR IG HEV 2019"
   NEXO = "HYUNDAI NEXO"
+  SONATA_LF= "HYUNDAI SONATA LF"
   # kia
   FORTE = "KIA FORTE E 2018"
   OPTIMA = "KIA OPTIMA SX 2019 & 2016"
@@ -109,6 +110,7 @@ class Buttons:
                    {68: 8, 127: 8, 304: 8, 320: 8, 339: 8, 352: 8, 356: 4, 544: 8, 546: 8, 576: 8, 832: 8, 881: 8, 882: 8, 902: 8, 903: 8, 916: 8, 1040: 8, 1056: 8, 1057: 8, 1078: 4, 1136: 6, 1173: 8, 1225: 8, 1265: 4, 1280: 1, 1287: 4, 1290: 8, 1291: 8, 1292: 8, 1294: 8, 1322: 8, 1342: 6, 1345: 8, 1348: 8, 1355: 8, 1363: 8, 1369: 8, 1407: 8, 1419: 8, 1427: 6, 1429: 8, 1430: 8, 1448: 8, 1456: 4, 1470: 8, 1476: 8, 1535: 8},
                    {68: 8, 127: 8, 304: 8, 320: 8, 339: 8, 352: 8, 356: 4, 544: 8, 576: 8, 832: 8, 881: 8, 882: 8, 902: 8, 903: 8, 916: 8, 1040: 8, 1056: 8, 1057: 8, 1078: 4, 1136: 6, 1173: 8, 1265: 4, 1280: 1, 1287: 4, 1290: 8, 1291: 8, 1292: 8, 1294: 8, 1322: 8, 1345: 8, 1348: 8, 1355: 8, 1363: 8, 1369: 8, 1407: 8, 1419: 8, 1427: 6, 1429: 8, 1430: 8, 1448: 8, 1456: 4, 1470: 8, 1476: 8, 1535: 8}], 
     CAR.CEED: [{}],
+    CAR.SONATA_LF: [{66: 8, 67: 8, 68: 8, 127: 8, 273: 8, 274: 8, 275: 8, 339: 8, 356: 4, 399: 8, 512: 6, 544: 8, 608: 8, 790: 8, 809: 8, 832: 8, 899: 8, 902: 8, 903: 6, 912: 7, 916: 8, 1040: 8, 1056: 8, 1057: 8, 1078: 4, 1151: 6, 1168: 7, 1170: 8, 1265: 4, 1268: 8, 1280: 1, 1287: 4, 1290: 8, 1292: 8, 1312: 8, 1314: 8, 1322: 8, 1331: 8, 1332: 8, 1333: 8, 1342: 6, 1345: 8, 1348: 8, 1349: 8, 1351: 8, 1363: 8, 1366: 8, 1367: 8, 1369: 8, 1407: 8, 1415: 8, 1427: 6, 1440: 8, 1456: 4, 1460: 8, 1470: 8, 1472: 8, 1491: 8, 2016: 8, 2024: 8}],
     CAR.CADENZA: [{}],  
     CAR.CADENZA_HEV: [{}]
   }
@@ -568,7 +570,7 @@ class Buttons:
   # Use Cluster for Gear Selection, rather than Transmission
   "use_cluster_gears": {CAR.ELANTRA, CAR.KONA, CAR.ELANTRA_GT_I30, CAR.CADENZA, CAR.GRANDEUR},
   # Use TCU Message for Gear Selection
-  "use_tcu_gears": {CAR.OPTIMA, CAR.SONATA19, CAR.VELOSTER},
+  "use_tcu_gears": {CAR.OPTIMA, CAR.SONATA19, CAR.VELOSTER, CAR.SONATA_LF},
   # Use E_GEAR Message for Gear Selection
   "use_elect_gears": {CAR.SONATA_HEV, CAR.SONATA19_HEV, CAR.KONA_EV, CAR.KONA_HEV, CAR.IONIQ_EV, CAR.IONIQ_HEV, CAR.GRANDEUR_HEV, CAR.NEXO,
                       CAR.OPTIMA_HEV, CAR.CADENZA_HEV, CAR.NIRO_EV, CAR.NIRO_HEV}, # 전기차 or 하이브리드 기어인식 부분
@@ -612,6 +614,7 @@ class Buttons:
   CAR.GRANDEUR: dbc_dict('hyundai_kia_generic', None),
   CAR.GRANDEUR_HEV: dbc_dict('hyundai_kia_generic', None),
   CAR.NEXO: dbc_dict('hyundai_kia_generic', None),
+  CAR.SONATA_LF: dbc_dict('hyundai_kia_generic', None),
   # kia
   CAR.FORTE: dbc_dict('hyundai_kia_generic', None),
   CAR.OPTIMA: dbc_dict('hyundai_kia_generic', None),