2010 Lexus IS F Owners Manual - Page 723
2010 Lexus IS F Manual
Page 723 highlights
2-1. Driving procedures
134
2-1. Driving procedures
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Downshift restrictions warning buzzer
To help ensure safety and driving performance, downshifting operation may some-
times 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 the cruise control or dynamic radar cruise control
Engine braking will not occur during shift range selection in the D position, even
when downshifting to range 7, 6, 5 or 4. (
→
P. 158, 161)
■
Automatic deactivation of snow mode and °Sport± mode
If the “ENGINE START STOP” switch is turned OFF after driving in either snow
mode or “Sport” mode, the mode is automatically deactivated.
■
If the shift lever cannot be shifted from P
→
P. 475
■
If
is not displayed after shifting the shift lever to M
●
Within a few seconds of turning the “ENGINE START STOP” switch to IGNI-
TION ON mode, the transmission will not go into M mode if the shift lever is
moved to the M position. This is because a system check is being performed. In
this case, wait a moment and then try moving the shift lever to the M position
again.
●
If the display does not change to
on an occasion other than that
described above, it may indicate a malfunction in the automatic transmission
system. Have your vehicle inspected by your Lexus dealer immediately.
■
Automatic gear selection when the vehicle is stopped
●
When the vehicle comes to a stop, the transmission will automatically downshift
to allow you to start off in 1
st
gear.
●
When the vehicle is idling at high rpm in order to warm up, and the vehicle is on
a slippery road, the transmission will automatically shift to 2
nd
gear for stopping
and starting off.