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Lexus 2012 RX450h - Page 225

Lexus 2012 RX450h
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225
2-1. Driving procedures
2
When driving
When the “-” paddle shift switch is operated in the D position (vehicles with pad-
dle shift switches)
When the “-” paddle shift switch is operated in the D position, a shift range will be
automatically selected. The highest gear of the first shift range will be one gear
lower than the gear in use during normal D position driving.
Automatic deactivation of shift range selection in the D position (vehicles with
paddle shift switches)
Shift range selection in the D position will be deactivated in the following situations:
When the vehicle comes to a stop
When range 6 is selected and the accelerator pedal is depressed
If the accelerator pedal is depressed for more than a certain period of time
Snow mode automatic deactivation
Snow mode is automatically deactivated if the “ENGINE START STOP” switch is
turned off after driving in snow mode.
S mode
When the shift range is “5” or lower, holding the shift lever toward “+” sets the
shift range to “6”.
To prevent the engine from over-revving, upshifting may automatically occur.
To protect the automatic transmission, a function is adopted that automatically
selects a higher shift range when the fluid temperature is high.
AI-SHIFT
AI-SHIFT automatically selects the suitable gear according to driver performance
and driving conditions.
The AI-SHIFT automatically operates when the shift lever is in the D position. (Shift-
ing the shift lever to the S position cancels the function.)
The engine speed may remain high after releasing the accelerator pedal. This does
not indicate a malfunction.
Driving on a downhill
On declines, there may be case where the vehicle shifts down automatically to
obtain engine braking. As a result of the downshifting, the engine speed may
increase.

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