無鑰匙進入是指使用電子遙控器來開啟汽車或建築物的門鎖。汽車的遙控無鑰匙系統（remote keyless system）包括解鎖車門的遙控無鑰匙進入（remote keyless entry，RKE）和啟動發動機的遙控無鑰匙點火（remote keyless ignition，RKI）。
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