diff --git a/src/reactor_sim/dashboard.py b/src/reactor_sim/dashboard.py
index 91c07c8..7e4fe93 100644
--- a/src/reactor_sim/dashboard.py
+++ b/src/reactor_sim/dashboard.py
@@ -59,6 +59,7 @@ class ReactorDashboard:
                     DashboardKey("+/-", "Withdraw/insert rods"),
                     DashboardKey("[/]", "Adjust consumer demand −/+50 MW"),
                     DashboardKey("s/d", "Setpoint −/+250 MW"),
+                    DashboardKey("k", "Maintain core (shutdown required)"),
                 ],
             ),
             (