Downhill Assist Control Indicator Light Does Not Come ON: Description
WARNING: This page is about a different car, the 2007 Lexus GX 470. However, it is still accessible from the selected car via links, so may be relevant.
The downhill assist control indicator light comes on when the downhill assist control is ready (See SYSTEM DESCRIPTION ).
HINT:
Even if the downhill assist control switch is pressed, the downhill assist control indicator light will blink and downhill assist control will not be activated under the following conditions:
- The transfer indicator switch is in the H4 position.
- ABS system is malfunctioning.
- Temperature of the hydraulic brake booster increases and downhill assist control is temporarily canceled.