Lexus 2015 RX350 Owner's Manual page 435

Status display
You can check indicators such as signal strength and battery charge on
the "Phone" screen.
Indicators
Connection status
Battery charge
Call area
Signal strength
3-3. Using the Lexus Display Audio system
Connection status
Battery charge
Call area
Signal strength
Conditions
Good
Full
"Rm": Roaming area
Excellent
I n f o r ma t i o n P r o v i d e d b y :
Not connected
Empty
Poor
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