Honeywell "Smart Runway" ....
from this document:
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4.3.8 Taxiway Landing
The purpose of the Taxiway Landing caution is to provide crew awareness that the aircraft is not lined up with a runway at low altitudes.
4.3.8.1 Annunciation Criteria
The caution is generated if:
Aircraft is airborne between 150 and 250 feet AGL (Radio Altitude), and Aircraft climb rate is less than 450 FPM, and
Aircraft is within 5 NM of a runway and is not lined-up with a runway.
NOTE: RAAS functions are based on a database of runway locations. The system does not have knowledge of the location of taxiways.
4.3.8.2 Message Content
The aural message string “Caution Taxiway, Caution Taxiway” is annunciated once each time the caution is generated. Refer to Figure 4-13.
4.3.8.3 Audio Level
The aural message is generated at the EGPWS Cautions and Warnings volume level.