See also:

Blocked sensor
An extreme build-up of materials on the left and/or right quarter panel fascias such as mud or snow can cause degraded performance of the BLIS . Also, heavy rain can cause the same effect. ...

Turning off speed control
To turn off the speed control, press OFF or turn off the ignition. Note: When you turn off the speed control or the ignition, your speed control set speed memory is erased. ...

Important ventilating information
If the engine is idling while the vehicle is stopped for a long period of time, open the windows at least 1 inch (2.5 cm) or adjust the heating or air conditioning to bring in fresh air. ...