LEXUS RCF 2018 Owners Manual

441
When trouble arises
7
RC350_RC300 AWD_RC3 00_RC F_U(OM24748U) 7-1. Essential information
Emergency flashers .................. 442
If your vehicle has
to be stopped in
an emergency .......................... 443
7-2. Steps to take in
an emergency
If your vehicle needs to be
towed ........................................... 444
If you think something is
wrong ............................................ 451
Fuel pump shut off system ...... 452
If a warning light turns on
or a warning buzzer
sounds.......................................... 453
If a warning message is
displayed.....................................460
If you have a flat tire
(vehicles with a
spare tire) ...................................489
If you have a flat tire
(vehicles with
an emergency
tire puncture repair kit) ........502
If the engine will not start ......... 516
If the electronic key does
not operate properly .............. 518
If the vehicle battery is
discharged ................................. 522
If your vehicle overheats ......... 526
If the vehicle becomes
stuck ............................................. 532

442
RC350_RC300 AWD_RC3 00_RC F_U(OM24748U)7-1. Essential information
Press the switch. All the turn signals will flash.
To turn them off, press the switch once
again.
■
Emergency flashers
If the emergency flashers are used for a long time while the engine is not operating, the
battery may discharge.
Emergency flashers The emergency flashers are used to warn other drivers when the vehicle has
to be stopped in the road due to a breakdown, etc.

4437-1. Essential information
7
When trouble arises
RC350_RC300 AWD_RC3 00_RC F_U(OM24748U)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 engine. 
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 engine, press and hold
the engine switch for 2 consecutive
seconds or more, or press it briefly 3
times or more in succession.
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 vehicl e using the following procedure:1
2
3
4
3
Press and hold for 2 seconds or more
or press briefly 3 times or more4
WARNING ■
If the engine has to be turned off while driving
Power assist for the brakes and steering wheel will be lost, making the brake pedal
harder to depress and the steering wheel heav ier to turn. Decelerate as much as possi-
ble before turning off the engine. 5

444
RC350_RC300 AWD_RC3 00_RC F_U(OM24748U)7-2. Steps to take in an emergency
The following may indicate a problem wi th your transmission. Contact your
Lexus dealer or commercial to wing service before towing.●
The engine is running but the vehicle does not move. ●
The vehicle makes an abnormal sound.
If your vehicle needs to be towed If towing is necessary, we recommend having your vehicle towed by your
Lexus dealer or commercial towing se rvice, using a wheel-lift type truck or
flatbed truck.
Use a safety chain system for all towing, and abide by all state/provincial and
local laws.
Situations when it is necessary to contact dealers before towing

4457-2. Steps to take in an emergency
RC350_RC300 AWD_RC3 00_RC F_U(OM24748U) 7
When trouble arises Do not tow with a sling-type truck to
prevent body damage.
Towing with a sling-type truck
Towing with a wheel-lift type truck 
From the front 
From the rear
Use a towing dolly under the rear
wheels. Use a towing dolly under the front
wheels.

446 7-2. Steps to take in an emergency
RC350_RC300 AWD_RC3 00_RC F_U(OM24748U)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 em ergency, your vehicle may be temporarily
towed using cables or chains secured to the emergency towing eyelets. This
should only be attempted on hard surf aced roads for at most 50 miles (80 km)
at under 18 mph (30 km/h).
A driver must be in the vehicle to st eer and operate the brakes. The vehicle’s
wheels, drive train, axles, steering an d brakes must be in good condition.Using a flatbed truck
Emergency towing

4477-2. Steps to take in an emergency
RC350_RC300 AWD_RC3 00_RC F_U(OM24748U) 7
When trouble arises Take out the towing eyelet. (  P. 490, 504)
Remove the eyelet cover using a flathead screwdriver. To protect the bodywork, place a rag between the screwdriver and the vehicle body
as shown in the illustration.
Emergency towing procedure 1
2 
RC350/RC300
(except F SPORT models) 
RC350/RC300
(F SPORT models)
RC F

448 7-2. Steps to take in an emergency
RC350_RC300 AWD_RC3 00_RC F_U(OM24748U)Insert the towing eyelet into the hole
and tighten partially by hand.
Tighten down the towing eyelet
securely using a wheel nut wrench
or hard metal bar.
Securely attach cables or chains to the towing eyelet. Take care not to damage the vehicle body.
Enter the vehicle being towed and start the engine. If the engine does not start, turn the engine switch to IGNITION ON mode.
Shift the shift lever to N and release the parking brake.
When the shift lever cannot be shifted:  P. 219■
While towing
If the engine is not running, the power assist for the brakes and steering will not function,
making steering and br aking more difficult.■
Wheel nut wrench
Wheel nut wrench is installed in trunk. (  P. 490, 504)3
4
5
6
7

4497-2. Steps to take in an emergency
RC350_RC300 AWD_RC3 00_RC F_U(OM24748U) 7
When trouble arises WARNING
Observe the following precautions.
Failure to do so may result in death or serious injury. ■
When towing the vehicle 
2WD models 
AWD modelsBe 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
or an accident may occur due to a change in
direction of the vehicle.
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 or related parts may be damaged,
the vehicle may fly off the truck.

450 7-2. Steps to take in an emergency
RC350_RC300 AWD_RC3 00_RC F_U(OM24748U)WARNING ■
While towing ●
When towing using cables or chains, avoid sudden starts, etc. which place excessive
stress on the towing eyelets, cables or chains. The towing eyelets, cables or chains
may become damaged, broken debris ma y hit people, and cause serious damage.●
Do not turn the engine 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 eyel ets are installed securely.
If not securely installed, towing ey elets may come loose during towing.
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 engine switch is off. The steering lock
mechanism is not strong enough to hold the front wheels straight. ●
When raising the vehicle, en sure adequate ground cleara nce for towing at the oppo-
site end of the raised vehicle. Without ad equate clearance, the vehicle could be dam-
aged while being towed. ■
To prevent damage to the vehicle wh en 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 ve hicle during emergency towing
Do not secure cables or chains to the suspension components.