diff --git a/lexus_description/config/simulator_model.param.yaml b/lexus_description/config/simulator_model.param.yaml
index 7a90596..42efb2d 100644
--- a/lexus_description/config/simulator_model.param.yaml
+++ b/lexus_description/config/simulator_model.param.yaml
@@ -14,5 +14,6 @@
     acc_time_constant: 0.1
     steer_time_delay: 0.24
     steer_time_constant: 0.27
+    steer_dead_band: 0.0012
     x_stddev: 0.0001 # x standard deviation for dummy covariance in map coordinate
     y_stddev: 0.0001 # y standard deviation for dummy covariance in map coordinate