Toyota 2015 Prius Owner's Manual page 370

Using the Remote Air Conditioning System effectively
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Efficiency can be increased by using the system in conjunction with the
Solar Ventilation System. ( P. 345)
When leaving the vehicle
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Check that the headlights are switched to either off or "AUTO".
●
Check that the wiper switch is turned off.
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Check that all windows are closed.
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Remote Air Conditioning System automatic shut-off
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The system will automatically shut off under the following conditions:
About 3 minutes have passed since operation began
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Any one of the operating conditions is not met
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The system may also shut off if the charge level of the hybrid battery (trac-
tion battery) drops to low. ( P. 44)
Conditions affecting operation
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The system may not start in the following situations:
The charge level of the hybrid battery (traction battery) is low ( P. 44)
●
The air conditioning temperature is set at a high level or outside tempera-
●
ture is low
When the vehicle has been left parked for a number of days
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When the hybrid system is cool (for example, after being left for a long
●
time in low temperatures)
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3-1. Using the air conditioning system and defogger
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349