Toyota Highlander guide, Service Manual

Page: 338 / 732

338
4-5. Using the driving support systems
HIGHLANDER_U (OM0E017U)
● In the following situations, the indicator flashes to alert the driver, but the
system will operate:
• The shift lever is in N.
• The “DAC” switch is turned off while the system is operating.
The system will gradually ceases operation. The indicator will flash during
operation, and then go off when the system is fully off.
■
Downhill assist control system operation sound
● A sound may be heard from the engine compartment when the engine is
started or just after the vehicle begins to move. This sound does not indicate
that a malfunction has occurred in downhill assist control system.
● Either of the following conditions may occur when the downhill assist control
system is operating. None of these are indicators that a malfunction has
occurred.
• Vibrations may be felt through the vehicle body and steering.
• A motor sound may be heard after the vehicle comes to a stop.
■ If the slip indicator comes on
It may indicate a malfunction in the system. Contact your Toyota dealer.
WARNING
■
When using downhill assist control system
Do not rely overmuch on the downhill assist control system. This function
does not extend the vehicle’s performance limitations. Always thoroughly
check the road conditions, and drive safely.
■
The system may not operate on the following surfaces, which may lead
to an accident causing death or serious injury
●
Slippery surfaces such as wet or muddy roads
●
Icy surface
●
Unpaved roads
■
Do not shift the shift lever to R while driving forward, or to D while driv-
ing backward.
Doing so may cause the wheels to lock up, leading to an accident causing
death or serious injury.
In addition, excessive stress will be applied to the automatic transmission,
possibly resulting in damage.