Application segmentation focuses on the end‑use of cleaning systems within electric vehicles, a key component of the EV Camera and Sensor Cleaning Systems segmentation framework. Front‑facing cameras, essential for autonomous driving and lane‑keeping, represent the largest application, responsible for approximately 35 % of market volume. Rear cameras, used for parking assistance, follow with 25 % share, reflecting their widespread inclusion across vehicle classes. LiDAR modules, increasingly integrated for high‑resolution mapping, account for 20 % of deployments, driven by premium and Level‑3+ autonomous platforms. Radar sensors, critical for adaptive cruise control and collision avoidance, comprise 15 % of the market, benefitting from robust demand in mid‑range models. Finally, ancillary ADAS sensors (e.g., blind‑spot monitors, driver‑attention systems) contribute the residual 5 %, a niche yet growing segment as OEMs expand safety suites. The distribution of these application segments directly informs the overall market size, with each proportion weighted by sensor count per vehicle and the cost of the associated cleaning subsystem.