diff --git a/car.capnp b/car.capnp
index 210b0fc..21d3951 100644
--- a/car.capnp
+++ b/car.capnp
@@ -403,6 +403,7 @@ struct CarParams {
     chrysler @9;
     tesla @10;
     subaru @11;
+    gmPassive @12;
   }
 
   enum SteerControlType {