2016 LEXUS RX350 check engine

220
RX350_U_OM48E90U 4-2. Driving procedures
Check that the parking brake is set.
Check that the shift lever is in P.
Firmly depress the brake pedal. and a message will be displayed on the multi-information display.
If it is not displayed, the engine cannot be started.
Press the engine switch. The engine will crank until it starts or for
up to 30 seconds, whichever is less.
Continue depressing the brake pedal
until the engine is completely started.
The engine can be started from any
engine switch mode.
Stop the vehicle completely.
Shift the shift lever to P.
Set the parking brake. (  P. 2 3 5 )If the parking brake is in automatic mode, the parking brake is set automatically when
shifting the shift lever to P. ( 
P. 2 3 5 )
Press the engine switch.
Release the brake pedal and check that the display on the meters is off.Engine (ignition) switch Performing the following op erations when carrying the electronic key on your
person starts the engine or changes engine switch modes.
Starting the engine 1
2
3
4
Stopping the engine 1
2
3
4
5

2214-2. Driving procedures
4
Driving
RX350_U_OM48E90U Modes can be changed by pressing the engine switch with brake pedal released.
(The mode changes each time the switch is pressed.)
Off
* The emergency flashers can be used.
ACCESSORY mode Some electrical components such as the
audio system can be used.
“ACCESSORY” will be displayed on the
meters.
IGNITION ON mode All electrical components can be used.
“IGNITION ON” will be displayed on
the meters.
* : If the shift lever is in a position other than
P when turning off the engine, the
engine switch will be turned to ACCES-
SORY mode, not to off.
If the engine is stopped with the shift le ver in a position other than P, the engine
switch will not be turned off but inst ead be turned to ACCESSORY mode. Per-
form the following procedure to turn the switch off:
Check that the parking brake is set.
Shift the shift lever to P.
Check that “Turn Off Vehicle” is displayed on the multi-information display
and then press the engine switch once.
Check that “Turn Off Vehicle” on the multi-information display is off.Changing engine switch modes 1
2
3
When stopping the engine with the shift lever in a position other than P1
2
3
4

222 4-2. Driving procedures
RX350_U_OM48E90U ■
Auto power off function
If the vehicle is left in ACCESSORY mode for more than 20 minutes or IGNITION ON
mode (the engine is not running) for more than an hour with the shift lever in P, the engine
switch will automatically turn off. However, this function cannot en tirely prevent battery
discharge. Do not leave the vehicle with the engine switch in ACCESSORY or IGNI-
TION ON mode for long periods of ti me when the engine is not running.■
Electronic key battery depletion
 P. 1 2 2 ■
Conditions affe cting operation
 P. 1 4 8 ■
Note for the entry function
 P. 1 4 9 ■
If the engine does not start ●
The engine immobilizer system may not have been deactivated. (  P. 74 )
Contact your Lexus dealer. ●
Check that the shift lever is securely set in P. The engine may not start if the shift lever is
displaced out of P. “To Start Vehicle, Put Shift Lever into P” will be displayed on the
multi-information display. ■
Steering lock
After turning the engine switch off and opening and closing the doors, the steering wheel
will be locked due to the stee ring lock function. Operating the engine switch again auto-
matically cancels the steering lock. ■
When the steering lock cannot be released
■
Steering lock motor overheating prevention
To prevent the steering lock motor from over heating, operation of the motor may be sus-
pended if the engine is turned on and off repeat edly in a short period of time. In this case,
refrain from operating the engine switch. After about 10 seconds, the steering lock
motor will resume functioning. ■
When “Access System with Elec. Key Malfunction See Owner’s Manual” is displayed
on the multi-information display
The system may be malfunctioning. Have the vehicle inspected by your Lexus dealer
immediately.“Steering Wheel Lock Press Engine Switch
while Turning Wheel” will be displayed on the
multi-information display.
Check that the shift lever is in P. Press the
engine switch while turning the steering wheel
left and right.

224 4-2. Driving procedures
RX350_U_OM48E90U NOTICE ■
To prevent battery discharge ●
Do not leave the engine switch in AC CESSORY or IGNITION ON mode for long
periods of time without the engine running. ●
If “ACCESSORY” or “IGNITION ON” is disp layed on the meters while the engine is
not running, the engine switch is not off. Exit the vehicle after turning the engine
switch off. ●
Do not stop the engine when the shift lever is in a position other than P. If the engine is
stopped in another shift lever position, the engine switch will not be turned off but
instead be turned to ACCESSORY mode. If the vehicle is left in ACCESSORY
mode, battery discharge may occur. ■
When starting the engine ●
Do not race a cold engine. ●
If the engine becomes difficult to start or stalls frequently, have your vehicle checked
by your Lexus dealer immediately. ■
Symptoms indicating a malfun ction with the engine switch
If the engine switch seems to be operating somewhat differently than usual, such as the
switch sticking slightly, there may be a malf unction. Contact your Lexus dealer immedi-
ately.

234 4-2. Driving procedures
RX350_U_OM48E90U 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
■
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 befo re a lane change has been performed
Operate the lever again. ■
Customization
Some functions can be customized. (  P. 6 9 9 )Turn signal lever Operating instructions 1
2
3
4

252 4-3. Operating the lights and wipers
RX350_U_OM48E90U Washer/wiper dual operation The wipers will automatically operate a
couple of times after the washer squirts.
Vehicles with headlight cleaners:
When the engine switch is in IGNI-
TION ON mode and the headlights are
on, if the lever is pulled, the headlight
cleaners will operate once. After this,
the headlight cleaners will operate
every 5th time the lever is pulled. ■
The windshield wipers and washer can be operated when
The engine switch is in IGNITION ON mode. ■
Dripping prevention wiper sweep (vehicle s with rain-sensing windshield wipers)
After washing and wiping operation several times, the wipers operate one more time
after a short delay to prevent dripping. Howeve r, this function will not operate while driv-
ing. ■
Effects of vehicle speed on wiper operation
Vehicle speed affects the Intermittent wiper interval. ■
Raindrop sensor (vehicles with rain-sensing windshield wipers)
●
If the wiper switch is turned to the “AUTO” position while the engine switch is in IGNI-
TION ON mode, the wipers will operate once to show that AUTO mode is activated.●
When the sensor sens itivity ring is turned toward hi gh while in “AUTO” position, the
wipers will operate once to indicate th at the sensor sensit ivity is enhanced.●
If the temperature of the raindrop sensor is 194  F (90  C) or higher, or 5  F (-15  C) or
lower, automatic operation may not occur. In this case, operate the wipers in any mode
other than AUTO mode. ■
If no windshield washer fluid sprays
Check that the washer nozzles are not blocked, if there is washer fluid in the washer fluid
tank. 8
●
The raindrop sensor judges the amount of
raindrops.
An optical sensor is ad opted. It may not oper-
ate properly when sunlight from the rising or
setting of the sun intermittently strikes the
windshield, or if bugs, etc. are present on the
windshield.

2574-3. Operating the lights and wipers
4
Driving
RX350_U_OM48E90U ■
The rear window wiper and washer can be operated when
The engine switch is in IGNITION ON mode. ■
If no washer fluid sprays
Check that the washer nozzle is not blocked if there is washer fluid in the washer fluid
tank.
NOTICE ■
When the rear window is dry
Do not use the wiper, as it may damage the rear window. ■
When the washer fluid tank is empty
Do not operate the switch continually as the washer fluid pump may overheat. ■
When a nozzle becomes blocked
In this case, contact your Lexus dealer.
Do not try to clear it with a pin or other object. The nozzle will be damaged.

380
RX350_U_OM48E90U 4-6. Driving tips
●
Use fluids that are appropriate to the prevailing outside temperatures.
•Engine oil
• Engine coolant
• Washer fluid ●
Have a service technician inspect the condition of the battery. ●
Have the vehicle fitted with four snow tires or purchase a set of tire chains for
the front tires. Ensure that all tires are of the specified size and the same brand, and that chains
match the size of the tires.
Perform the following according to the driving conditions: ●
Do not try to forcibly open a window or move a wiper that is frozen. Pour
warm water over the frozen area to melt the ice. Wipe away the water imme-
diately to prevent it from freezing. ●
To ensure proper operation of the climate control system fan, remove any
snow that has accumulated on the air inlet vents in front of the windshield. ●
Check for and remove any excess ice or snow that may have accumulated on
the exterior lights, vehicle’s roof, chassis, around the tires or on the brakes. ●
Remove any snow or mud from the bottom of your shoes before getting in the
vehicle.Winter driving tips Carry out the necessary preparations and inspections before driving the vehi-
cle in winter. Always drive the vehicle in a manner appropriate to the prevail-
ing weather conditions.
Pre-winter preparations
Before driving the vehicle