Lexus RX350 2023 Manual page 297

cancel indicator will turn off.
Vehicles without downhill assist con-

trol system
Vehicles with downhill assist control

system
■ Automatic enabling of the Stop & Start
system
If the Stop & Start system is disabled using
the Stop & Start cancel switch, it will be
automatically re-enabled once the engine
switch is turned off and then the engine is
started.
Hill-start assist control
When the engine is stopped by the
Stop & Start system when the vehicle is
on an incline, when the brake pedal is
released, brake force is temporarily
maintained to prevent the vehicle from
rolling backwards before the engine is
restarted and drive force is generated.
When drive force is generated, the
4-5. Using the driving support systems
maintained brake force is automatically
canceled.
 This function operates on flat sur-
faces as well as steep inclines.
 Sound may be generated from the
brake system, but this does not indi-
cate a malfunction.
 Brake pedal response may change
and vibration may occur, but this
does not indicate a malfunction.
Points for use
■
● If the engine switch is pressed when the
engine is stopped by the Stop & Start sys-
tem, the engine will not be able to be
restarted by the automatic engine start
function. In this case, restart the engine
using the normal engine starting proce-
dure. (P.194)
● When the engine is being restarted by
the Stop & Start system, the power out-
lets may be temporarily unusable, but this
does not indicate a malfunction.
Installation and removal of electrical
●
components and wireless devices may
affect the Stop & Start system. Contact
your Lexus dealer for details.
● When stopping the vehicle for a longer
period of time, turn the engine switch off
to stop the engine completely.
When the engine is restarted by the Stop
●
& Start system, the steering wheel may
temporarily feel heavy.
■ Operating conditions
The Stop & Start system is operational
●
when all of the following conditions are
met:
• The vehicle has been driven a certain
amount of time.
• The brake pedal is being depressed
firmly. (Except when the vehicle is
stopped by the dynamic radar cruise
control when in vehicle-to-vehicle dis-
tance control mode)
• The D shift position is selected.
• The driver's seat belt is fastened.
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