Toyota 4runner 2010 Instruction Manual page 237

While the downhill assist control system is operating
Operating tips
■
The system will operate when the shift lever is in any position other than P.
However, to make effective use of the system it is recommended that the
shift lever be shifted to the "2" or "1" range of S.
If the downhill assist control system indicator flashes
■
In the following situations, the indicator flashes and the system will not
●
operate:
• The transfer mode is not in L4 (part-time 4WD models) or L4L (full-time
4WD models).
• The rear differential is locked.
• The brake system overheats.
The system will situations operation and a buzzer will sound to alert the
driver. At this time, the "TRAC OFF (TRC OFF)" indicator will come on.
Stop the vehicle in a safe place. Refrain from using the system until the
indicator stops flashing and stays on. (There is no problem with con-
tinuing normal driving.)
In the following situations, the indicator flashes to alert the driver, but the
●
system will still operate:
• The shift lever is in N. (Engine braking will not occur.)
• The "DAC" switch is turned off while the system is operating.
The system will gradually ceases operation. The indicator will flash dur-
ing operation, and then go off when the system is fully off.
2-4. Using other driving systems
The slip indicator will flash to
indicate that the downhill assist
control system is operating, and
the stop lights and high mounted
stoplight will turn on.
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