Lexus LS460 Owner's Manual page 230

222
4-2. Driving procedures
Selecting the driving mode

Sport mode/Comfort mode/Eco drive mode
P. 335

Snow mode
Snow mode can be selected to suit the conditions when driving
on slippery road surfaces, such as on snow.
Press the switch.
The snow mode indicator light
will come on.
Press the switch again to return
to normal mode.

Automatic deactivation of shift range selection in the D position
Shift range selection in the D position will be deactivated in the following
situations:

When the vehicle comes to a stop

If the accelerator pedal is depressed for more than a certain period of time

When the shift lever is shifted to other than D

Downshifting restrictions warning buzzer
To help ensure safety and driving performance, downshifting operation may
sometimes be restricted. In some circumstances, downshifting may not be
possible even when the shift lever or paddle shift switch is operated. (A
buzzer will sound twice.)

When driving with cruise control, radar cruise control or dynamic radar cruise
control with full speed range activated
Even when performing the following actions with the intent of enabling
engine braking, engine braking will not activate because cruise control, radar
cruise control or dynamic radar cruise control with full speed range will not
be canceled.

While driving in the D position, downshifting to 7, 6, 5 or 4. (P. 250, 254,
268)
LS460_EE (OM50D49E)