Lexus RX350 2023, Manual

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4-5. Using the driving support systems
4
Driving
● If an odor is emitted from the air condi-
tioning system
Press the Stop & Start cancel switch to
deactivate the Stop & Start system.
■
Changing the idling stop time with the
air conditioning system on
The length of time the Stop & Start system
will operate when the air conditioning sys-
tem is on can be changed on the center dis-
play. (The length of time the Stop & Start
system will operate when the air condition-
ing system is off cannot be changed.)
1 Select .
2
Select “Vehicle customize”.
3
Select “Utility”.
4
Select “Stop & Start duration”.
5
Select “Standard” or “Extended”.
■
Multi-information display messages
If the following situations, and a mes-
sage may be displayed on the multi-infor-
mation display.
● When the engine cannot be stopped by
the Stop & Start system
“Press Brake More to Activate”
• The brake pedal is not sufficiently
depressed.

If the brake pedal is depressed further,
the system will operate.
“Non-Dedicated Battery”
• A battery not designed for use with a
Stop & Start system may have been
installed.

Have the vehicle inspected by your
Lexus dealer.
“Battery Charging”
• The battery charge may be low.

Stopping of the engine is temporarily
prohibited to prioritize charging of the bat-
tery. After the engine runs for a certain
amount of time, the system will be enabled.
• A refresh charge may be being per-
formed, such as during a periodic
recharge, after the battery terminals have
been disconnected and reconnected,
after the battery has been replaced, etc.

After a refresh charge for up to an hour
completes, the system can be operated.
• If displayed continuously for a long time
(more than an hour)

The battery may be deteriorated. Con-
tact your Lexus dealer for details.
“Stop & Start system unavailable”
• The Stop & Start system is temporarily
disabled.

Allow the engine to run for some time.
• The engine may have been started with
the hood open.

Close the hood, turn the engine switch
off, wait for 30 seconds or more, and then
start the engine.
“In Preparation”
• The vehicle is being driven in a high alti-
tude area.
• The brake booster vacuum is low.

When the brake booster vacuum
reaches a predetermined level, the system
will be enabled.
“For Climate Control”
• The air conditioning system is being used
when the ambient temperature is high or
low.
If the difference between the set tempera-
ture and cabin temperature becomes
small, the system will be enabled.
• The windshield defogger is on.
●
When the engine automatically restarts
while stopped by the Stop & Start system
“In Preparation”
• The brake pedal has been depressed fur-
ther or pumped.

The system will be enabled after the
engine runs and the brake booster vacuum
reaches a predetermined level.