Toyota PRIUS Owner's Manual page 257

Transmission information
■
To maintain engine braking efficiency and charging system perfor-
mance when using engine braking, do not use the transmission in
D. Shift the shift position to B.
■ If the engine overheats
Towing a loaded trailer up a long, steep incline in temperatures
exceeding 30°C (85°F) may result in the engine overheating. If the
engine coolant temperature gauge indicates that the engine is over-
heating, turn the air conditioning off immediately, leave the road and
stop the vehicle in a safe place. (→P. 649)
When parking the vehicle
■
Always place wheel chocks under the wheels of both the vehicle
and trailer. Firmly set the parking brake and shift the shift position to
P.
PRIUS_OM_OM47A31E_(EE)
4-1. Before driving
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