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2-4. Using other driving systems
2
When driving
■ Operating tips
The system will operate when the shift lever is in a position other than “P”, however
to make effective use of the system it is recommended that the shift lever be shifted
to “2” or “L”.
■ If the four-wheel drive control lever is in “H”
The system will not operate.
■ If the brake system overheats
The system will cease operation and a buzzer will sound to alert the driver.
Stop the vehicle in a safe place. (There is no problem with continuing normal driv-
ing.)
■ System malfunction
● The “DAC” indicator does not come on when the engine switch is turned to the
“ON” position.
● The “DAC” indicator does not come on when the “DAC” switch is pressed.
In the above cases have your vehicle checked by your Lexus dealer.
■ The system may not operate on the following surfaces, which may lead to an acci-
dent causing death or serious injury.
● Slippery surfaces such as wet or muddy roads
● Icy surfaces
● Unpaved roads