Page 463 of 640

4637-1. Maintenance and care
7
Maintenance and care
RC300h_EE(OM24740E)
NOTICE
■To prevent paint deterioration and corrosion on the body and components (aluminum wheels etc.)
●Wash the vehicle immediately in the following cases:
• After driving near the sea coast • After driving on salted roads• If coal tar or tree sap is present on the paint surface
• If dead insects, insect droppings or bird droppings are present on the paint surface • After driving in an area contaminated wi th soot, oily smoke, mine dust, iron pow- der or chemical substances
• If the vehicle becomes heavily soiled with dust or mud • If liquids such as benzene and gaso line are spilled on the paint surface
●If the paint is chipped or scratched, have it repaired immediately.
●To prevent the wheels from corroding, remove any dirt and store in a place with low humidity when storing the wheels.
■Cleaning the exterior lights
●Wash carefully. Do not use organic subs tances or scrub with a hard brush. This may damage the surfaces of the lights.
●Do not apply wax to the surfaces of the lights.Wax may cause damage to the lenses.
■To prevent damage to the windshield wiper arms
When lifting the wiper arms away from the windshield, pull the driver side wiper arm upward first, and repeat for the passenger side. When returning the wipers to theiroriginal position, do so from the passenger side first.
■When using an automatic car wash (vehicle s with rain-sensing windshield wipers)
Set the wipers to the intermittent windshield wipers. ( P. 244) If AUTO mode is selected, the wipers may operate and the wiper blades may be dam-
aged.
■When using a high pressure car wash
●When washing the vehicle, do not spray the camera or its surrounding area directly
with a high pressure washer. Shock applied from high pressure water may cause the device to not operate normally.
●Do not bring the nozzle tip close to boots (rubber or resin manufactured cover), con-
nectors or the following parts. The parts may be damaged if they come into contact with high-pressure water.
• Traction related parts• Steering parts •Suspension parts • Brake parts
Page 476 of 640

4767-3. Do-it-yourself maintenance
RC300h_EE(OM24740E)
■Engine oil consumption
A certain amount of engine oil will be consum ed while driving. In the following situations,
oil consumption may increase, and engine o il may need to be refilled in between oil
maintenance intervals.
●When the engine is new, for example directly after purchasing the vehicle or after
replacing the engine
●If low quality oil or oil of an inappropriate viscosity is used
●When driving at high engine speeds or with a heavy load, or when driving while accel-
erating or decelerating frequently
●When leaving the engine idling for a long time, or when driving frequently through
heavy traffic
■After changing the engine oil
The engine oil maintenance data should be reset. Perform the following procedures:
While the vehicle is stopped, press the meter control switch on the steering wheel.
Press the or meter control switch on the st eering wheel, select, and then
press the meter control switch.
Press or meter control switch on the steering wheel to select “Oil Maintenance”
and then press .
Select “Yes” and then press .
A message will be displayed on the multi-information display.
1
2
3
4
Page 520 of 640
5207-3. Do-it-yourself maintenance
RC300h_EE(OM24740E)
■Front turn signal lights (bulb type)
To ensure enough space to per-
form work, turn the steering
wheel to move the front wheel
toward the bulb to be replaced.
Remove the fender liner clip.
To remove the clip, turn the head of the clip to unlock it, then pull it out.
Disengage the fender liner from
the clamp then pull it back.
Turn the bulb base
counterclockwise.
Replacing light bulbs
1
2
3
Page 529 of 640

5298-1. Essential information
8
When trouble arises
RC300h_EE(OM24740E)
Steadily step on the brake pedal with both feet and firmly depress it.
Do not pump the brake pedal repeatedly as this will increase the effort required to slow the vehicle.
Shift the shift lever to N.
If the shift lever is shifted to N
After slowing down, stop the vehicle in a safe place by the road.
Stop the hybrid system.
If the shift lever cannot be shifted to N
Keep depressing the brake pedal with both feet to reduce vehicle speed as
much as possible.
To stop the hybrid system, press and
hold the power switch for 2 consec-
utive seconds or more, or press it
briefly 3 times or more in succes-
sion.
Stop the vehicle in a safe place by the road.
If your vehicle has to be stopped in an emergency
Only in an emergency, such as if it becomes impossible to stop the vehicle in
the normal way, stop the vehicle using the following procedure:
1
2
3
4
3
Press and hold for 2 seconds or more
or press briefly 3 times or more
4
WARNING
■If the hybrid system has to be turned off while driving
Power assist for the steering wheel will be lost, making the steering wheel heavier to turn. Decelerate as much as possible before turning off the hybrid system.
5
Page 532 of 640
5328-2. Steps to take in an emergency
RC300h_EE(OM24740E)
If your vehicle is transported by a flat-
bed truck, it should be tied down at the
locations shown in the illustration.
If you use chains or cables to tie down
your vehicle, the angles shaded in black
must be 45 .
Do not overly tighten the tie downs or
the vehicle may be damaged.
If a tow truck is not available in an emergency, your vehicle may be temporarily
towed using cables or chains secured to the emergency towing eyelets. This
should only be attempted on hard surfaced roads for short distances at under 30
km/h (18 mph).
A driver must be in the vehicle to steer and operate the brakes. The vehicle’s
wheels, drive train, axles, steering and brakes must be in good condition.
Using a flatbed truck
Emergency towing
Page 534 of 640

5348-2. Steps to take in an emergency
RC300h_EE(OM24740E)
■While towing
If the hybrid system is off, the power assist for the brakes and steering will not function, making steering and braking more difficult.
■Wheel nut wrench
Wheel nut wrench is installed in trunk. ( P. 565)
WARNING
Observe the following precautions. Failure to do so may result in death or serious injury.
■When towing the vehicle
■While towing
●When towing using cables or chains, avoid sudden starts, etc. which place excessivestress on the towing eyelets, cables or ch ains. The towing eyelets, cables or chains may become damaged, broken debris ma y hit people, and cause serious damage.
●Do not turn the power switch off. There is a possibility that the steering wheel is locked and cannot be operated.
■Installing towing eyelets to the vehicle
Make sure that towing eyelets are installed securely. If not securely installed, towing ey elets may come loose during towing.
Be sure to transport the vehicle with all four wheels raised off the ground. If the vehicle is
towed with the tires contacting the ground, the drivetrain and related parts may be damaged,an accident may occur due to a change in
direction of the vehicle or electricity generated by the operation of the motor may cause a fireto occur depending on the nature of the dam-
age or malfunction.
Page 535 of 640
5358-2. Steps to take in an emergency
8
When trouble arises
RC300h_EE(OM24740E)
NOTICE
■To prevent damage to the vehicle when towing using a wheel-lift type truck
●Do not tow the vehicle from the rear when the power switch is off. The steering lock mechanism is not strong enough to hold the front wheels straight.
●When raising the vehicle, ensure adequate ground clearance for towing at the oppo-site end of the raised vehicle. Without adequate clearance, the vehicle could be dam-aged while being towed.
■To prevent damage to the vehicle when towing with a sling-type truck
Do not tow with a sling-type truck, either from the front or rear.
■To prevent damage to the vehicle during emergency towing
Do not secure cables or chains to the suspension components.
Page 538 of 640

5388-2. Steps to take in an emergency
RC300h_EE(OM24740E)
SRS warning light Indicates a malfunction in:
• The SRS airbag system; or • The seat belt pretensioner system Have the vehicle inspected by any authorized Lexus dealer or
repairer, or another duly qualified and equipped professional immediately.
ABS warning lightIndicates a malfunction in:
•The ABS; or • The brake assist system Have the vehicle inspected by any authorized Lexus dealer or
repairer, or another duly qualified and equipped professional immediately.
Electric power steering system warning light (warning buzzer)Indicates a malfunction in the EPS (Electric Power Steering) sys-
tem Have the vehicle inspected by any authorized Lexus dealer or repairer, or another duly qualified and equipped professional
immediately.
(Flashes) (If equipped)
Pre-crash safety system warning lightIndicates a malfunction in the PCS (Pre-Crash Safety system)The warning light will operate as follows, even when the system is
not malfunctioning: • The light will flash quickly when the system is operating.
( P. 311) • The light will turn on when the pre-crash safety system is dis- abled. ( P. 312)
• The light will turn on when th e VSC (Vehicle Stability Control) system is disabled. ( P. 307) • The light will flash when the sy stem cannot temporarily be used.
( P. 554) Have the vehicle inspected by any authorized Lexus dealer or repairer, or another duly qualified and equipped professional
immediately.
Slip indicator Indicates a malfunction in:• The VSC (Vehicle Stability Control) system;
• The TRC (Traction Control) system; or • The hill-start assist control systemThe light will flash when the VSC or the TRC system is operating.
Have the vehicle inspected by any authorized Lexus dealer or repairer, or another duly qualified and equipped professionalimmediately.
Warning lightWarning light/Details/Actions