Toyota 2012 Sienna Owner's Manual page 202

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Eco-friendly driving
SIENNA_U (OM45477U)
2-1. Driving procedures
During Eco-friendly acceleration (Eco
driving), Eco Driving Indicator Light will
turn on. When the acceleration exceeds
Zone of Eco driving, and when the vehicle
is stopped, the light turns off.
Eco Driving Indicator Light will not oper-
ate in the following conditions:
●
The shift lever is in anything other than
D.
●
The vehicle speed is approximately 80
mph (130 km/h) or higher.
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