2006 Lexus RX 400h Owners Manual - Page 473

STARTING AND DRIVING If "CRUISE NOT AVAILABLE" appears on the display, the system may be having trouble measuring the vehicle−to−vehicle distance because of any of the following: D The wipers are operating at high or low speeds D Direct sunlight from the front D It is difficult to make a measurement because of bad weather (such as rainy, foggy, or snowy weather) In the following cases, dynamic laser cruise control switches to the ready mode: D The wipers are stopped or are switched to variable intermittent operation. D No direct sunlight from the front In the above conditions, push the lever up in the "+ RES" direction and release it. Dynamic laser cruise control will be restored. If the setting operation cannot be performed or if the same message still appears even after the weather clears, the system might have malfunctioned. Although there is no problem to continue driving, please contact your Lexus dealer. If "CHECK CRUISE SYSTEM" appears on the display, a system malfunction has been detected. If this warning message appears, stop your vehicle in a safe place, turn the ignition off, and then restart it to reset the system. If the same message appears again or if the cruise control cannot be set, the system may be malfunctioning. Although there is no problem to continue driving, please contact your Lexus dealer. 437