Nissan Altima Owners Manual: Operating range

The Intelligent Key functions can only be used when the Intelligent Key is within the specified operating range.

When the Intelligent Key battery is discharged or strong radio waves are present near the operating location, the Intelligent Key system’s operating range becomes narrower, and the Intelligent Key may not function properly.

The operating range is within 33 ft (10 m) of the vehicle.

    NISSAN Intelligent Key® Without Door and Trunk Request Switches
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    How to use the remote keyless entry function
    The remote keyless entry function can operate all door locks using the remote keyless function of the Intelligent Key. The remote keyless function can operate at a distance of 33 ft (10 m) away fr ...

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