LEXUS RCF 2018 Owners Manual

5017-2. Steps to take in an emergency
RC350_RC300 AWD_RC3 00_RC F_U(OM24748U) 7
When trouble arises WARNING ■
When using the spare tire ●
Remember that the spare tire provided is specifically designed for use with your vehi-
cle. Do not use your spare tire on another vehicle. ●
Do not use more than one spare tires simultaneously. ●
Replace the spare tire with a stan dard tire as soon as possible.●
Avoid sudden acceleration, abrupt steering, sudden braking and shifting operations
that cause sudden engine braking. ■
When the spare tire is attached
The vehicle speed may not be correctly detected, and the following systems may not
operate correctly:
Also, not only can the following system not be utilized fully, but it may even negatively
affect the drive-train components:
• AWD system (if equipped) ■
Speed limit when using the spare tire
Do not drive at speeds in excess of 50 mp h (80 km/h) when a spar e tire is installed on
the vehicle.
The spare tire is not designed for driving at high speeds. Fa ilure to observe this precau-
tion may lead to an accident causing death or serious injury. ■
After using the tools and jack
Before driving, make sure all the tools and jack are securely in place in their storage
location to reduce the possibilit y of personal injury during a collision or sudden brak-
ing.
NOTICE ■
Driving with tire chains and the spare tire
Do not fit tire chains to the spare tire.
Tire chains may damage the vehicle body and adversely affect driving performance.■
When replacing the tires
When removing or fitting the wheels, tires or the tire pressure warning valve and trans-
mitter, contact your Lexus dealer as the tire pressure warning valve and transmitter
may be damaged if not handled correctly.• ABS & Brake assist
•VSC
•TRAC
• Dynamic radar cruise control
•PCS
•EPS
• Adaptive Variable Suspension System
(if equipped)
• LDA (Lane Departure Alert with
steering control)
• VGRS (if equipped) • LDH (Lexus Dynamic Handling sys-
tem) (if equipped)
• DRS (Dynamic Rear Steering) (if
equipped)
• VDIM (Vehicle Dynamics Integrated
Management)
• Tire pressure warning system
• Lexus parking assist monitor
• Intuitive parking assist (if equipped)
• Navigation system (if equipped)

502 7-2. Steps to take in an emergency
RC350_RC300 AWD_RC3 00_RC F_U(OM24748U)If you have a flat tire (v ehicles with an emergency
tire puncture repair kit) Your vehicle is not equipped with a spar e tire, but instead is equipped with an
emergency tire puncture repair kit.
A puncture caused by a nail or screw passing through the tire tread can be
repaired temporarily with the emer gency tire puncture repair kit.WARNING ■
If you have a flat tire
Do not continue driving with a flat tire.
Driving even a short distance with a flat ti re can damage the tire and the wheel beyond
repair. Driving with a flat tire may cause a circumferential groove on the side wall. In
such a case, the tire may explode when using the emergency tire puncture repair kit,
resulting in death or serious injury.

5037-2. Steps to take in an emergency
RC350_RC300 AWD_RC3 00_RC F_U(OM24748U) 7
When trouble arises ●
Stop the vehicle in a safe pl ace on a hard, flat surface.●
Set the parking brake. ●
Shift the shift lever to P. ●
Stop the engine. ●
Turn on the emergency flashers. (  P. 442)●
Check the degree of the tire damage.
A tire should only be repaired with
the emergency tire puncture repair
kit if the damage is caused by a nail
or screw passing through the tire
tread.
• Do not remove the nail or screw
from the tire. Removing the
object may widen the opening
and disenable emergency repair
with the kit.
• To avoid sealant leakage, move the vehi cle until the area of the puncture, if
known, is positioned at the top of the tire. ■
A flat tire that cannot be repaired with the emergenc y tire puncture repair kit
In the following cases, the tire cannot be repaired with the emergency tire puncture
repair kit. Contact your Lexus dealer. ●
When the tire is damaged due to driving without sufficient air pressure ●
When the tire lost air pressure due to a crack or damage in the tire sidewall●
When the tire is visibly separated from the wheel ●
When the cut or damage to the tread is 0.16 in. (4 mm) long or more ●
When the wheel is damaged ●
When 2 or more sharp objects, such as nails or screws, have passed through the tread
on a single tire ●
When there is more than one hole or cut in the damaged tire ●
When the sealant has expiredBefore repairing the vehicle

504 7-2. Steps to take in an emergency
RC350_RC300 AWD_RC3 00_RC F_U(OM24748U)* : Use of the jack (  P. 497)Location of the emergency tire puncture repair kit, jack and tools
Jack handle
Wheel nut wrench
Screwdriver
Towing eyelet Emergency tire puncture repair
kits
Jack
*1
2
3
4 5
6

5057-2. Steps to take in an emergency
RC350_RC300 AWD_RC3 00_RC F_U(OM24748U) 7
When trouble arises ■
Bottle
■
CompressorEmergency tire puncture repair kit components
Hose
Air release cap
Stickers 1
2
3
Compressor switch
Air pressure gauge
Power plug 1
2
3

506 7-2. Steps to take in an emergency
RC350_RC300 AWD_RC3 00_RC F_U(OM24748U)Secure the luggage mat using the hook. (  P. 494)
Remove the tool tray.
Take out the emergency tire
puncture repair kits.Taking out the emergency tire puncture repair kits 1
2
3

5077-2. Steps to take in an emergency
RC350_RC300 AWD_RC3 00_RC F_U(OM24748U) 7
When trouble arises Remove the valve cap from the valve
of the punctured tire.
Extend the hose. Remove the air
release cap from the hose. You will use the air release cap again.
Therefore keep it in a safe place.
Connect the hose to the valve. Screw the end of the hose clockwise as
far as possible.
Make sure that the compressor
switch is off.Emergency repair method 1
2
3
4

508 7-2. Steps to take in an emergency
RC350_RC300 AWD_RC3 00_RC F_U(OM24748U)Lift the rubber stopper on the com-
pressor.
Remove the power plug from the
compressor.
Connect the power plug to the power outlet socket. (  P. 355)
Connect the bottle to the compres-
sor. Make sure that the bottle is securely
connected. 5
6
7
8

5097-2. Steps to take in an emergency
RC350_RC300 AWD_RC3 00_RC F_U(OM24748U) 7
When trouble arises Attach the 2 stickers as shown. Remove any dirt and moisture from the
wheel before attaching the label. If it is
impossible to attach the label, make sure
to tell your Lexus dealer when you have
them repair and replace the tire that
sealant is injected.
Check the specified tire inflation
pressure. Tire inflation pressure is specified on the
label as shown. (  P. 548)
Start the engine. (  P. 207)
To inject the sealant and inflate the
tire, turn the compressor switch on. 9
10
11
12

510 7-2. Steps to take in an emergency
RC350_RC300 AWD_RC3 00_RC F_U(OM24748U)Inflate the tire until the recom-
mended pressure is reached.
The sealant will be injected and
the pressure will spike to 44 psi
(300 kPa, 3.0 kgf/cm 2
or bar) or
58 psi (400 kPa, 4.0 kgf/cm 2
or
bar), then gradually decrease.
The air pressure gauge will dis-
play the actual tire inflation pres-
sure about 1 minute (15 minutes at
low temperature) after the switch
is turned on. • Turn the compressor switch off
and then check the tire inflation
pressure. Being careful not to
over inflate, check and repeat the
inflation procedure until the rec-
ommended tire inflation pressure
is reached.
• If the tire inflation pressure is still lo wer than the recommen ded level after infla-
tion for 10 minutes (35 minutes at low temperature) with the switch on, the tire
is too damaged to be repaired. Turn th e compressor switch off and contact your
Lexus dealer.
• If the tire inflation pressure exceeds th e recommended level, let out some air to
adjust the tire inflation pressure. (  P. 513, 548)
With the compressor switch off, disconnect the hose from the valve on the tire
and then pull out the power plug from the power outlet socket.Some sealant may leak when the hose is removed.
Install the valve cap onto the valv e of the emergency repaired tire.
Attach the air release cap to the end
of the hose. If the air release cap is not attached, the
sealant may leak and the vehicle may
get dirty.
Temporarily store the bottle in the trunk while it is connected to the compres-
sor.
To spread the liquid sealant evenly within the tire, immediately drive safely for
about 3 miles (5 km) below 50 mph (80 km/h). 13
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