Lexus 2013 GS 350 Owner's Manual page 241

Vehicles with AVS
Normal mode
1
For normal driving.
Press the switch to change the driving mode to normal mode when selected to
Eco mode or sport mode.
Eco drive mode
2
Use Eco mode to help achieve low fuel consumption during trips that
involve frequent accelerating.
When the driving mode select switch is turned left, the "ECO MODE" indicator
comes on in the multi-information display.
GS350_U (OM30C34U)
4-5. Using the driving support systems
I n f o r ma t i o n P r o v i d e d b y :
265
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