Refer to the passage below and then answer the question afterwards in the same language as the passage: Passage: Uyezve, Car-2-X applications require interaction to vehicles and off-board systems. Zvinoreva kuti system inofanira kupa yakachengeteka on-board kutaurirana, kutsigira cross-domain computing platforms, smartphone integration, integration of non-AUTOSAR systems, nezvimwewo. Mukuwedzera, cloud-based services inoda nzira dzakatsaurirwa dzekuchengetedza dzakadai sekuchengetedzwa kwegore uye emergency vehicle preemption. Vachagonesa mabasa ari kure uye akaparadzirwa, semuenzaniso kure diagnostics, pamusoro pemhepo (OTA), kugadzirisa, kugadzirisa uye kuchinjana. Mubvunzo: Chii chinonzi chidimbu chepamusoro pemhepo?
OTA