2010 Lexus RX 450h User Guide 2 - Page 196

2-2. Instrument cluster Display customization The audio mode display can be shown or hidden. Pressing and holding the head-up display main switch button for more than 2 seconds changes the display to audio display on/off mode. Press the head-up display main switch button to turn the audio display on/off. Customization can be performed when the head-up display is on and the vehicle is traveling at less than 5 mph (8 km/h). n Brightness of the head-up display The headlight control sensor detects the brightness of the area surrounding the head-up display and adjusts the brightness accordingly. (→P. 203) n Head-up display The head-up display may seem dark and hard to see when viewed through sunglasses. Adjust the brightness of the head-up display or remove your sunglasses. CAUTION n Before using the head-up display Check that the position and brightness of the head-up display image does not interfere with safe driving. Incorrect adjustment of the image's position or brightness may obstruct the driver's view and lead to an accident, resulting in death or serious injury. 198