Lexus RC300h 2017, Manual

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4-2. Driving procedures
RC300h_EE(OM24740E)
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When the “-” paddle shift switch is operated with the shift lever in the D position
The shift range is downshifted to a range that enables engine braking force that is suit-
able to driving conditions.
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Automatic deactivation of shift range selection in the D position
Shift range selection in the D position will be deactivated in the following situations:
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When the vehicle comes to a stop
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If the accelerator pedal is depressed for more than a certain period of time
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When the shift lever is shifted to a position other than D
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Downshifting restriction 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.)
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Snow mode automatic deactivation
Snow mode is automatically deactivated if the power switch is turned off after driving in
snow mode.
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When driving with cruise control or dynamic radar cruise control activated
Even when performing the following actions with the intent of enabling engine braking,
engine braking will not activate because cruise control or dynamic radar cruise control
will not be canceled.
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While driving in the D or S position, downshifting to 5 or 4. (

P. 253, 257)
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When switching the driving mode to sport mode while driving in D position. (

P. 301)
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Shift lock system
The shift lock system is a system to prevent accidental operation of the shift lever in start-
ing.
The shift lever can be shifted from P only when the power switch is in IGNITION ON
mode and the brake pedal is being depressed.