1. Access the vehicle drawer on the touchscreen.
  1. Press SETTINGS.
  1. Press Driver Assistance.
  1. Press Cruise Control.
  1. Press Adaptive Cruise Control.
  1. Press Speed Sign Recognition.
  1. Press Tolerance.
  1. Use the slider bar to adjust the allowable tolerance for the system.
Note:   You cannot set the tolerance more than 20 mph (30 km/h) above or below the recognized speed.