Most people hold the steering wheel in a 10–2 or 9–3 hand position as guidelines state. Also, vehicle advancement and customer satisfaction reports are indicating that more buttons/switches are being implemented on the steering wheel trying to make actuation of buttons/switches quick to reach as well as easy to use. For example, there are good number of switches (soft or hard) integrated in the steering wheel for vehicle controls, such as Adaptive Cruise Control (ACC), accessories control (e.g., radio, telephone, etc.,), and other interior surfaces that also contain vehicle switches such as window and door actuators.
While a driver maneuvers a vehicle, the driver’s hands may accidently bump some of the buttons on the steering wheel or near it, and as a result, various scenarios can occur and influence a vehicle system. For example, the driver’s left hand can accidentally bump the ACC button activating the system, or accidentally bump a heated seat button for non-occupied seats.
Similar scenarios could happen to other vehicle buttons where a user’s hand, knee, devices, etc., might bump or push a button by mistake on the IP, doors, or other respective surfaces.
Unintended activation of certain cabin features can lead to undesired consequences such as increase in fuel/electric battery consumption, uncomfortable drive, wear/tear of moving parts, NVH.
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Anonymous, "Unintentional Vehicle System Activations", Technical Disclosure Commons, (November 04, 2022)