Toyota Highlander Hybrid 2020, Owner'S Manual

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4-5. Using the driving support systems
HIGHLANDER HV_U
■ Trail Mode
● Trail Mode is intended for use
when driving on bumpy roads. Do
not turn the switch on in other situ-
ations.
● Trail Mode controls the vehicle so
that it can use the maximum
amount of drive force when driving
on bumpy roads. As a result, fuel
efficiency may diminish when
compared to driving with Trail
Mode off.
● If Trail Mode is continuously used
for a long period of time, the load
on related parts increases and the
system may be unable to operate
effectively.
■ When Trail Mode is canceled
In the following situations, Trail
Mode is automatically canceled
even if it is turned on.
● When the driving mode is
changed (

P.316)
● When the power switch is turned
off
■ During Trail Mode operation
The following types of situations
may occur, but they are not malfunc-
tions.
● Vibrations may be felt throughout
the vehicle or steering wheel
● Operating noise may be heard
from the engine compartment
■ When an inspection at your
Toyota dealer is necessary
In the following situations, the sys-
tem may be malfunctioning. Have
the vehicle inspected by your Toyota
dealer immediately.
● When the slip indicator illuminates
while Trail Mode is on
● When the Trail Mode indicator
does not illuminate even though
the Trail Mode switch is pressed