Toyota Lexusc Owner's Handbook Manual page 484

"
1 Cruise control switch
2 Distance switch
3 Display
"NORM." indicator light
4
(conventional cruise control mode indicator light)
5 "CRUISE" indicator light
6 "READY" indicator light
(ready mode indicator light)
7 Master warning light
STARTING AND DRIVING
Dynamic laser cruise control mode
"
1 Vehicle-to-vehicle distance control mode
2 Conventional (fixed speed) cruise control mode
The dynamic laser cruise control function has two cruise
control modes.
D Vehicle-to-vehicle distance control mode for maintaining
an appropriate distance between vehicles
D Conventional (fixed speed) cruise control mode for cruising
at preset speeds
You can change the mode by using the control lever.
The two cruise control modes function differently. If you use
dynamic laser cruise control, always confirm which mode is
selected.
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