TOYOTA PRIUS 2015 4.G Owners Manual

5
When trouble arises
541
5-2. Steps to take in an emergency
PRIUS_OM_OM47A17U_DVD_(U)
Slightly loosen the wheel nuts
(one turn).
Turn the tire jack portion “A” by
hand until the notch of the jack is
in contact with the jack point.
Raise the vehicle until the tire is
slightly raised off the ground.
ITO52P108
STEP 3
STEP 4
ITO52P112
STEP 5

542 5-2. Steps to take in an emergency
PRIUS_OM_OM47A17U_DVD_(U)
Remove all the wheel nuts and
the tire.
When resting the tire on the
ground, place the tire so that the
wheel design faces up to avoid
scratching the wheel surface.
Installing the spare tireRemove any dirt or foreign mat-
ter from the wheel contact sur-
face.
If foreign matter is on the wheel
contact surface, the wheel nuts
may loosen while the vehicle is
in motion, and the tire may
come off the vehicle.
Install the tire and loosely tighten each wheel nut by hand by
approximately the same amount.
ITO52P114
STEP 6
STEP 1
STEP 2

5
When trouble arises
543
5-2. Steps to take in an emergency
PRIUS_OM_OM47A17U_DVD_(U)
Replacing an aluminum wheel
with a compact spare tire
Tighten the nuts until the tapered
portion comes into loose contact
with the disc wheel seat.
Replacing an aluminum wheel with an aluminum wheel
Turn the nut washers until they
come into contact with the disc
wheel.
Tapered portion
Disc wheel
seat
Disc wheel
Washer

544 5-2. Steps to take in an emergency
PRIUS_OM_OM47A17U_DVD_(U)
Lower the vehicle.
Firmly tighten each nut two or
three times in the order shown in
the illustration.
Tightening torque:
76 ft•lbf (103 N•m, 10.5 kgf•m)
Vehicles with wheel ornament,
reinstall the wheel ornament.
*
Align the cutout of the wheel
ornament with the valve stem
as shown.
*: The wheel ornament cannotbe installed on the compact
spare tire.
Stow the flat tire, the tire jack and all tools.
ITO52P119
STEP 3
ITO52P120
STEP 4
STEP 5
STEP 6

5
When trouble arises
545
5-2. Steps to take in an emergency
PRIUS_OM_OM47A17U_DVD_(U)
■The compact spare tire
●The compact spare tire is identifi
ed by the label “TEMPORARY USE
ONLY” on the tire sidewall.
Use the compact spare tire temporarily, and only in an emergency.
●Make sure to check the tire inflation pressure of the compact spare
tire. ( P. 581)
■After completing the tire change
The tire pressure warning system must be reset. (P. 448)
■When using the compact spare tire
As the compact spare tire is not equipped with a tire pressure warning
valve and transmitter, low inflation pressure of the spare tire will not be
indicated by the tire pressure warning system. Also, if you replace the
compact spare tire after the tire pressure warning light comes on, the
light remains on.
■If you have a flat front tire on a road covered with snow or ice
Install the compact spare tire on one of the rear wheels of the vehicle.
Perform the following steps and fit tire chains to the front tires:
Replace a rear tire with the compact spare tire.
Replace the flat front tire with the tire removed from the rear of
the vehicle.
Fit tire chains to the front tires.
■Jack point guide
STEP 1
STEP 2
STEP 3
The jack point guides are located under
the rocker panel. They indicate the jack
point positions.

546 5-2. Steps to take in an emergency
PRIUS_OM_OM47A17U_DVD_(U)
CAUTION
■When using the compact spare tire
●Remember that the spare tire provided is specifically designed for use
with your vehicle. Do not use your spare tire on another vehicle.
●Do not use more than one spare tire simultaneously.
●Replace the spare tire with a standard tire as soon as possible.
●Avoid sudden acceleration, deceleration and braking, as well as sharp
cornering.
■When storing the compact spare tire
Be careful not to catch fingers or other body parts between the compact
spare tire and the body of the vehicle.
■When the compact spare tire is attached
The vehicle speed may not be correctly detected, and the following sys-
tems may not operate correctly:
●ABS & Brake assist
●VSC
●TRAC
●Cruise control (if equipped)
●Dynamic radar cruise control (if equipped)
●Pre-collision system (if equipped)
●LKA (Lane-Keeping Assist) (if equipped)
●EPS
●Rear view monitor system (if equipped)
●Advanced parking guidance system (if equipped)
●Navigation system (if equipped)

5
When trouble arises
547
5-2. Steps to take in an emergency
PRIUS_OM_OM47A17U_DVD_(U)
CAUTION
■Speed limit when using the compact spare tire
Do not drive at speeds in excess of 50 mph (80 km/h) when a compact
spare tire is installed on the vehicle.
The compact spare tire is not designed for driving at high speeds. Failure
to observe this precaution may lead to
an accident causing death or seri-
ous injury.
■Using the tire jack
Improper use of the tire jack may cause the vehicle to suddenly fall off
the jack, leading to death or serious injury.
Observe the following precautions:
●Do not use the tire jack for any pu rpose other than replacing tires or
installing and removing tire chains.
●Only use the tire jack that comes wi th this vehicle for replacing a flat
tire.
Do not use it on other vehicles, and do not use other tire jacks for
replacing tires on this vehicle.
●Always check that the tire jack is securely set to the jack point.
●Do not put any part of your body u nder the vehicle while it is supported
by the jack.
●Do not start or run the hybrid system while your vehicle is supported by
the jack.
●Do not raise the vehicle while someone is inside.
●When raising the vehicle, do not put an object on or under the jack.
●Do not raise the vehicle to a hei ght greater than that required to
replace the tire.
●Use a jack stand if it is necessary to get under the vehicle.
Take particular care when lowering the vehicle to ensure that no one
working on or near the vehicle may be injured.

548 5-2. Steps to take in an emergency
PRIUS_OM_OM47A17U_DVD_(U)
CAUTION
■Replacing a flat tire
●Do not touch the disc wheels or the area around the brakes immedi-
ately after the vehicle has been driven.
After the vehicle has been driven the disc wheels and the area around
the brakes will be extremely hot. Touching these areas with hands, feet
or other body parts while changing a tire, etc. may result in burns.
●Failure to follow these precautions could cause the wheel nuts to
loosen and the tire to fall off, resulting in death or serious injury.
• Have the wheel nuts tightened with a torque wrench to 76 ft•lbf (103 N•m, 10.5 kgf•m) as soon as possible after changing wheels.
• When installing a tire, only use wheel nuts that have been specifi- cally designed for that wheel.
• If there are any cracks or deformations in the bolt screws, nut threads or bolt holes of the wheel, have the vehicle inspected by
your Toyota dealer.
• When installing the wheel nuts, be sure to install the wheel nuts
with the tapered ends facing inward. ( P. 462)
■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 po ssibility of personal injury during a
collision or sudden braking.

5
When trouble arises
549
5-2. Steps to take in an emergency
PRIUS_OM_OM47A17U_DVD_(U)
NOTICE
■Do not drive the vehicle with a flat tire
Do not continue driving with a flat tire.
Driving even a short distance with a flat tire can damage the tire and the
wheel beyond repair.
■Be careful when driving over bumps with the compact spare tire
installed on the vehicle
The vehicle becomes lower when driving with the compact spare tire
compared to when drivin
g with standard tires. Be careful when driving
over uneven road surfaces.
■Driving with tire chains and the compact spare tire
Do not fit tire chains to the compact 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 transmitter, contact your Toyota dealer as the tire pressure
warning valve and transmitter may be damaged if not handled correctly.
■To avoid damage to the tire pressure warning valves and transmit-
ters
When a tire is repaired with liquid sealants, the tire pressure warning
valve and transmitter may not operate properly. If a liquid sealant is
used, contact your Toyota dealer or other qualified service shop as soon
as possible. Make sure to replace the tire pressure warning valve and
transmitter when replacing the tire. ( P. 447)

550
5-2. Steps to take in an emergency
PRIUS_OM_OM47A17U_DVD_(U)
If the hybrid system will not start
Reasons for the hybrid system not starting vary depending on the
situation. Check the following a nd perform the appropriate proce-
dure:
■ The hybrid system will not start even though the correct
starting procedure is being followed ( P. 195)
One of the following may be the cause of the problem:
● The electronic key may not be functioning properly.
*
(  P. 553)
● There may not be sufficient fuel in the vehicle’s tank.
Refuel the vehicle. ( P. 4 0 )
● There may be a malfunction in the immobilizer system.
*
(  P. 137)
● There may be a malfunction in the shift control system.
*
(  P. 200, 519)
*: It may not be possible to shift the shift position from P to other posi-
tion.
■ The interior lights and headlights are dim, or the horn does
not sound or sounds at a low volume
One of the following may be the cause of the problem:
●The 12-volt battery may be discharged. ( P. 555)
● The 12-volt battery terminal c onnections may be loose or cor-
roded.