2014 Lexus GS350 Using the air conditioning system and defogger / LEXUS 2014 GS350 OWNERS MANUAL (OM30D41U)

GS350_OM_OM30D41U_(U)
1854-2. Driving procedures
4
Driving
■AI-SHIFT
The AI-SHIFT automatically selects the suitable gear according to driver perfor-
mance and driving conditions.
The AI-SHIFT automatically operates when the shift lever is in D. (Shifting the shift
lever to the M position cancels the function.)
CAUTION
■When driving on slippery road surfaces
Be careful of downshifting and sudden acceleration, as this could result in the vehi-
cle skidding to the side or spinning.

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GS350_OM_OM30D41U_(U)
4-2. Driving procedures
Turn signal lever
The lever will return to its original position immediately after operation.Right turn
Lane change to the right (move
the lever partway and release it)
The right hand signals will flash 3
times.
Lane change to the left (move the
lever partway and release it)
The left hand signals will flash 3 times.
Left turn
■If the turn signals do not stop flashing after turning left or right, or\
if
you want to stop them flashing
Operate the lever in the opposite di rection to either position or .
If you move the lever to either position or , the selected turn sig-
nals will flash.
Operating instructions
1
2
3
4
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GS350_OM_OM30D41U_(U)
1874-2. Driving procedures
4
Driving
■Turn signals can be operated when
The engine switch is in IGNITION ON mode.
■If the indicator flashes faster than usual
Check that a light bulb in the front or rear turn signal lights has not burned out.
■If the turn signals stop flashing before a lane change has been performed
Operate the lever again.
■Customization
The number of times the turn signals flas h during a lane change can be changed.
(Customizable feature P. 7 9 3 )

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GS350_OM_OM30D41U_(U)
4-2. Driving procedures
Parking brake
Sets the parking brake
The parking brake indicator light will
come on. (P. 1 8 9 )
Press and hold the parking brake
switch if an emergency occurs and it is
necessary to operate the parking
brake while driving.
Releases the parking brake
Operate the parking brake switch
while depressing the brake pedal.
Make sure that the parking brake indi-
cator light goes off.
A selections can be made as desired from the following modes.
Manual mode
U.S.A. Canada
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GS350_OM_OM30D41U_(U)
1894-2. Driving procedures
4
Driving
The parking brake is set or released automatically according to shift lever
operation.
Turns automatic mode on/off
●When the shift lever is moved out
of P, the parking brake will be
released.
●When the shift lever is moved into
P, the parking brake will be set.
Operate the shift lever with the brake
pedal depressed.
■Parking brake operation
●When the engine switch is not in IGNITION ON mode, the parking brake cannot
be released using the parking brake switch.
●When the engine switch is not in IGNITION ON mode, automatic mode (auto-
matic brake setting and releasing) is not available.
●If the parking brake is operated repeatedly over a short period of time, the system
may restrict operation to prevent overheatin g. If this happens, refrain from operat-
ing the parking brake. Normal operatio n will return after about 1 minute.
■Parking brake operation sound
When the parking brake operates, a moto r sound (whirring sound) may be heard.
This does not indicate a malfunction.
■Parking brake indicator light
●Depending on the engine switch mode, th e parking brake indicator light will come
on and stay on as described below:
IGNITION ON mode: Comes on until the parking brake is released.
Not in IGNITION ON mode: Stays on for approximately 15 seconds.
●When the engine switch is turned off with the parking brake set, the parking brake
indicator light will stay on for about 15 seconds. This does not indicate a malfunc-
tion.
Automatic mode

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GS350_OM_OM30D41U_(U)
4-2. Driving procedures
■When there is a malfunction in the system
Warning lights and/or warning message will turn on or flash. (P. 704, 717)
Depending on the condition, the parking brake indicator light may flash.
■Usage in winter time
 P. 3 0 5
NOTICE
■When parking the vehicle
Before you leave the vehicle, set the parking brake, shift the shift lever to P and
make sure that the vehicle does not move.
■When the system malfunctions
Stop the vehicle in a safe place and check the warning messages.
■When the parking brake cannot be released due to a malfunction
Use the parking brake release tool to manually release the parking brake.
( P. 7 5 2 )
Driving the vehicle with the parking brake set will lead to brake components over-
heating, which may affect braking performance and increase brake wear.

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GS350_OM_OM30D41U_(U)4-2. Driving procedures
4
Driving
Horn
To sound the horn, press on or close
to the mark.

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GS350_OM_OM30D41U_(U)
4-3. Operating the lights and wipers
Headlight switch
Turning the end of the lever turns on the lights as follows:
The headlights can be operated manually or automatically.
Operating instructions
U.S.A. Canada
The side marker, parking,
tail, license plate and instru-
ment panel lights turn on.
The headlights and all lights
listed above turn on.
The headlights, daytime
running lights and all the
lights listed above turn on
and off automatically.
(When the engine switch is
in IGNITION ON mode.)
Off
The daytime running lights
turn on.1
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(U.S.A.)
(Canada)