Lexus HS 250h 2010 Owner's Manual, Quick Manual page 32

■ Head-up display contents
In addition to the vehicle speed display (standard display), the following information will be
displayed:
The head-up display may seem dark and hard to see when viewed through sunglasses,
especially polarized sunglasses. Adjust the brightness of the head-up display or remove
your sunglasses.
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Vehicle speed display (standard display)
Displays the vehicle speed.
Audio display
Displays audio information for approximately 3 seconds
when the audio system is operated.
Dynamic radar cruise control (if equipped)
Displays the approach warning message.
PCS (Pre-Collision System) (if equipped)
Indicates that there is a possibility of collision.
LKA (Lane keeping Assist) (if equipped)
Displays a warning message that alerts the driver of a
deviation from the lane through use of the lane departure
warning function.
Turn-by-turn navigation
Displays a notification of upcoming intersections during
navigation system route guidance.
Touch tracer display
Displays the switch operation status when the steering
switch is operated.