brakes Hyundai Sonata

15
Introduction
A020202AUN
Biodiesel
Commercially supplied biodiesel blends of no more than 5% biodiesel, commonly
known as "B5 biodiesel" may be used in
your vehicle if it meets EN 14214 or
equivalent specifications. (EN stands for
"European Norm"). The use of biofuels
made from rapeseed methyl ester
(RME), fatty acid methyl ester (FAME),
vegetable oil methyl ester (VME) etc. ormixing diesel with biodiesel will cause
increased wear or damage to the engine
and fuel system. Repair or replacement
of worn or damaged components due to
the use of non approved fuels will not be
covered by the manufactures warranty.A030000AUN-EA
No special run-in period is needed. By
following a few simple precautions for the
first 1,000 km (600 miles) you may add to
the performance, economy and life of
your vehicle.
Do not race the engine.
While driving, keep your engine speed
(rpm, or revolutions per minute)
between 2,000 rpm and 4,000 rpm.
Do not maintain a single speed for long periods of time, either fast or slow.
Varying engine speed is needed to
properly run-in the engine.
Avoid hard stops, except in emergen- cies, to allow the brakes to seat prop-
erly.
Don't let the engine idle longer than 3 minutes at one time.
Don't tow a trailer during the first 2,000 km (1,200 miles) of operation.
CAUTION
Do not let any petrol or water
enter the tank. This would make itnecessary to drain it out and tobleed the lines to avoid jamming
the injection pump and damagingthe engine.
In winter, in order to cut down incidents due to freezing, paraffinoil may be added to the fuel if the
temperature drops to below - 10°C(50°F). Never use more than20% paraffin oil.
CAUTION
Never use any fuel, whether diesel or B5 biodiesel that fails tomeet the latest petroleum indus-
try specification.
Never use any fuel additives or treatments that are not recom-mended or approved by the vehi-cle manufacturer.
VEHICLE RUN-IN PROCESS

441
Features of your vehicle
D150303AFD-EA
Anti-lock brake system(ABS) warning light (if equipped)
This light illuminates if the ignition switch
is turned to ON and goes off in approxi-
mately 3 seconds if the system is operat-
ing normally.
If the ABS warning light remains on,
comes on while driving, or does not
come on when the ignition switch is
turned to the ON position, this indicates
that there may be a problem with the
ABS.
If this occurs, have your vehicle checked
by an authorised HYUNDAI dealer as
soon as possible. The normal braking
system will still be operational, but with-
out the assistance of the anti-lock brakesystem. Electronic brake force distri-bution (EBD) system warninglight
If two warning lights illumi- nate at the same time while
driving, your vehicle may
have a malfunction with ABSand EBD system.
In this case, your ABS and regular brake
system may not work normally. Have the
vehicle checked by an authorised
HYUNDAI dealer as soon as possible.
D150304ANF-EA
Seat belt warning
Type A
As a reminder to the driver, the seat belt
warning light will blink for approximately
6 seconds each time you turn the ignition
switch ON regardless of belt fastening.
Type B
As a reminder to the driver, the seat belt
warning light will blink for approximately
6 seconds each time you turn the ignition
switch ON regardless of belt fastening.
If the driver’s seat belt is unfastened after
the ignition switch is ON, the seat belt
warning light blinks again for approxi-
mately 6 seconds.
If the driver's seat belt is not fastened
when the ignition switch is turned ON or
if it is unfastened after the ignition switch
is ON, the seat belt warning chime will
sound for approximately 6 seconds.
Once the seat belt has been refastened
the chime will no longer sound. (ifequipped)
WARNING
If the both ABS and Brake warning
lights are on and stay on, your vehi-
cle’s brake system will not work
normally. So you may experience
an unexpected and dangerous situ-
ation during sudden braking. In this
case, avoid high speed driving and
abrupt braking. Have your vehicle
checked by an authorised
HYUNDAI dealer as soon as possi-
ble.

443
Features of your vehicle
D150308AFD-EA
Parking brake & brakefluid warning
Parking brake warning
This light is illuminated when the parking
brake is applied with the ignition switch in
the START or ON position. The warning
light should go off when the parking
brake is released. Low brake fluid level warning
If the warning light remains on, it may
indicate that the brake fluid level in the
reservoir is low.
If the warning light remains on:
1. Drive carefully to the nearest safe location and stop your vehicle.
2. With the engine stopped, check the brake fluid level immediately and add
fluid as required. Then check all brake
components for fluid leaks.
3. Do not drive the vehicle if leaks are found, the warning light remains on or
the brakes do not operate properly.
Have it towed to any authorised
HYUNDAI dealer for a brake system
inspection and necessary repairs. Your vehicle is equipped with dual-diago-
nal braking systems. This means you still
have braking on two wheels even if one
of the dual systems should fail. With only
one of the dual systems working, more
than normal pedal travel and greaterpedal pressure are required to stop the
car. Also, the car will not stop in as short
a distance with only a portion of the
brake system working. If the brakes fail
while you are driving, shift to a lower gear
for additional engine braking and stop the
car as soon as it is safe to do so.
To check bulb operation, check whether
the parking brake and brake fluid warning
light illuminates when the ignition switchis in the ON position.
CAUTION
If the oil pressure warning light
stays on while the engine is run- ning, serious engine damage mayresult. The oil pressure warning
light comes on whenever there isinsufficient oil pressure. In normaloperation, it should come on whenthe ignition switch is turned on,
then go out when the engine isstarted. If the oil pressure warninglight stays on while the engine is running, there is a serious malfunc-
tion.
If this happens, stop the car assoon as it is safe to do so, turn offthe engine and check the oil level. If
the oil level is low, fill the engine oilto the proper level and start theengine again. If the light stays onwith the engine running, turn the
engine off immediately. In anyinstance where the oil light stays onwhen the engine is running, the engine should be checked by an
authorised HYUNDAI dealer beforethe car is driven again.
WARNING
Driving the vehicle with a warning
light on is dangerous. If the brake
warning light remains on, have the
brakes checked and repaired imme-
diately by an authorised HYUNDAI
dealer.

449
Features of your vehicle
D170200AEN-EA Non-operational conditions of rear parking assist system
The rear parking assist system may
not operate properly when:
1. Moisture is frozen to the sensor. (It willoperate normally when the moisture has been cleared.)
2. The sensor is covered with foreign matter, such as snow or water, or the
sensor cover is blocked. (It will operate
normally when the material is removed
or the sensor is no longer blocked.)
3. Driving on uneven road surfaces (unpaved roads, gravel, bumps, gradi-ent).
4. Objects generating excessive noise (vehicle horns, loud motorcycle
engines, or truck air brakes) are within
range of the sensor.
5. Heavy rain or water spray exists.
6. Wireless transmitters or mobile phones are within range of the sensor.
7. Trailer towing The detecting range may decrease when:
1. The sensor is stained with foreign mat-
ter such as snow or water. (The sens-
ing range will return to normal when
removed.)
2. Outside air temperature is extremely hot or cold.
The following objects may not be rec-
ognized by the sensor:
1. Sharp or slim objects such as ropes, chains or small poles.
2. Objects which tend to absorb the sen- sor frequency such as clothes, spongy
material or snow.
3. Undetectable objects smaller than 1 m (40 in.) in height and narrower than 14
cm (6 in.) in diameter. D170300AEN Rear parking assist system pre- cautions
The rear parking assist system may
not sound sequentially depending on the speed and shapes of the objectsdetected.
The rear parking assist system may malfunction if the vehicle bumperheight or sensor installation has been
modified or damaged. Any non-factory
installed equipment or accessories
may also interfere with the sensor per-
formance.
The sensor may not recognize objects less than 40 cm (15 in.) from the sen-
sor, or it may sense an incorrect dis-
tance. Use caution.
When the sensor is frozen or stained with snow, dirt, or water, the sensor
may be inoperative until the stains are
removed using a soft cloth.
Do not push, scratch or strike the sen- sor. Sensor damage could occur.

Driving your vehicle
10
5
E050200AUN Good driving practices
Never take the car out of gear and
coast down a hill. This is extremely
hazardous. Always leave the car in
gear.
Don't "ride" the brakes. This can cause them to overheat and malfunction.
Instead, when you are driving down a
long hill, slow down and shift to a lower
gear. When you do this, engine braking
will help slow the car.
Slow down before shifting to a lower gear. This will help avoid over-revving
the engine, which can cause damage.
Slow down when you encounter cross winds. This gives you much better con-
trol of your car.
Be sure the car is completely stopped before you attempt to shift into reverse.
The transaxle can be damaged if you
do not. To shift into reverse, depress
the clutch, move the shift lever to neu-
tral, wait three seconds, then shift to
the reverse position.
Exercise extreme caution when driving on a slippery surface. Be especially
careful when braking, accelerating or
shifting gears. On a slippery surface,
an abrupt change in vehicle speed can
cause the drive wheels to lose traction
and the vehicle to go out of control.
WARNING
Always buckle-up! In a collision, an unbelted occupant is signifi-
cantly more likely to be seriously
injured or killed than a properlybelted occupant.
Avoid high speeds when corner- ing or turning.
Do not make quick steering wheel movements, such as sharp
lane changes or fast, sharp turns.
The risk of rollover is greatly increased if you lose control of
your vehicle at highway speeds.
Loss of control often occurs if two or more wheels drop off the
roadway and the driver over-
steers to reenter the roadway.
In the event your vehicle leaves the roadway, do not steer sharply.
Instead, slow down before pulling
back into the travel lanes.
Never exceed posted speed lim- its.

Driving your vehicle
12
5
E060100ANF-EA
Automatic transaxle operation
The highly efficient automatic transaxle
has 4 (or 5) forward gears and one
reverse gear. The individual gears are
selected automatically, depending on the
position of the shift lever.
All normal forward driving is done with
the shift lever in the D (Drive) position.
To move the shift lever from the P (Park)
position, the brake pedal must be
depressed with the ignition switch ON.
✽✽
NOTICE
The first few shifts on a new vehicle, or if the battery has been disconnected,
may be somewhat abrupt. This is a nor-mal condition, and the shifting sequence
will adjust after shifts are cycled a few
times by the TCM (Transaxle Control
Module) or PCM (Powertrain ControlModule).
For smooth operation, depress the brake pedal when shifting from N (Neutral) to a forward or reverse gear.
E060101ANF
Transaxle ranges
The indicator lights in the instrument
cluster displays the shift lever position
when the ignition switch is in the ONposition.
P (Park)
Always come to a complete stop before
shifting into P (Park). This position locks
the transaxle and prevents the frontwheels from rotating.
WARNING - Automatic
transaxle
Always check the surrounding areas near your vehicle for peo-
ple, especially children, beforeputting a car into D (Drive) or R
(Reverse).
Before leaving the driver’s seat, always make sure the shift lever
is in the P (Park) position; then
set the parking brake fully and
shut the engine off. Unexpected
and sudden vehicle movementcan occur if these precautions
are not followed in the order iden-tified.
CAUTION
To avoid damage to your
transaxle, do not accelerate theengine in R (Reverse) or any for- ward gear position with the
brakes on.
When stopped on an upgrade, do not hold the vehicle stationarywith engine power. Use the serv-ice brake or the parking brake.
Do not shift from N (Neutral) or P (Park) into D (Drive), or R(Reverse) when the engine is above idle speed.

513
Driving your vehicle
R (Reverse)
Use this position to drive the vehicle
backward.N (Neutral)
The wheels and transaxle are not locked.
The vehicle will roll freely even on the
slightest incline unless the parking brake
or service brakes are applied. D (Drive)
This is the normal forward driving posi-
tion. The transaxle will automatically shift
through a 4(5)-gear sequence, providing
the best fuel economy and power.
Bring the car to a complete stop before
shifting the selector to “D” position.
For extra power when passing another
vehicle or climbing grades, depress the
accelerator fully, at which time the
transaxle will automatically downshift to
the next lower gear.
WARNING
Shifting into P (Park) while the vehicle is in motion will cause the
drive wheels to lock which will
cause you to lose control of the
vehicle.
Do not use the P (Park) position in place of the parking brake.
Always make sure the shift lever
is latched in the P (Park) position
and set the parking brake fully.
Before leaving the driver’s seat, always make sure the shift lever
is in the P (Park) position. Set the
parking brake fully, shut the
engine off and take the key with
you. Unexpected and sudden
vehicle movement can occur if
you do not follow these precau-
tions in the order specified.
Never leave a child unattended in a vehicle.
CAUTION
The transaxle may be damaged if
you shift into P (Park) while the
vehicle is in motion.
CAUTION
Always come to a complete stopbefore shifting into or out of R
(Reverse); you may damage thetransaxle if you shift into R while the vehicle is in motion, except as
explained in “Rocking the Vehicle”,in this manual.

Driving your vehicle
16
5
E060200AFD Good driving practices
Never move the gear selector lever
from P (Park) or N (Neutral) to any
other position with the acceleratorpedal depressed.
Never move the gear selector lever into "P" when the vehicle is in motion.
Be sure the car is completely stopped before you attempt to shift into R
(Reverse) or D (Drive).
Never take the car out of gear and coast down a hill. This may be
extremely hazardous. Always leave the
car in gear when moving.
Do not "ride" the brakes. This can cause them to overheat and malfunc-
tion. Instead, when you are driving
down a long hill, slow down and shift to
a lower gear. When you do this, engine
braking will help slow the car.
Slow down before shifting to a lower gear. Otherwise, the lower gear maynot be engaged.
Always use the parking brake. Do not depend on placing the transaxle in P
(Park) to keep the car from moving.
Exercise extreme caution when driving on a slippery surface. Be especially
careful when braking, accelerating or
shifting gears. On a slippery surface,
an abrupt change in vehicle speed can
cause the drive wheels to lose traction
and the vehicle to go out of control. Optimum vehicle performance and
economy is obtained by smoothly
depressing and releasing the accelera-tor pedal.
E060203AUN-EA
Moving up a steep grade from a stand-ing start
To move up a steep grade from a stand-
ing start, depress the brake pedal, shift
the shift lever to D (Drive). Select the
appropriate gear depending on load
weight and steepness of the grade, and
release the parking brake. Depress the
accelerator gradually while releasing the
service brakes.
When accelerating from a stop on a
steep hill, the vehicle may have a ten-
dency to roll backwards. Shifting the
shift lever into 2 (Second Gear) will
help prevent the vehicle from rolling
backwards (if equipped).
WARNING
Always buckle-up! In a collision, an unbelted occupant is signifi-
cantly more likely to be seriously
injured or killed than a properlybelted occupant.
Avoid high speeds when corner- ing or turning.
Do not make quick steering wheel movements, such as sharp
lane changes or fast, sharp turns.
The risk of rollover is greatly increased if you lose control of
your vehicle at highway speeds.
Loss of control often occurs if two or more wheels drop off the
roadway and the driver over-
steers to reenter the roadway.
In the event your vehicle leaves the roadway, do not steer sharply.
Instead, slow down before pulling
back into the travel lanes.
Never exceed posted speed lim- its.
WARNING
If your vehicle becomes stuck in
snow, mud, sand, etc., then you
may attempt to rock the vehicle free
by moving it forward and backward.
Do not attempt this procedure if
people or objects are anywhere
near the vehicle. During the rocking
operation the vehicle may suddenly
move forward of backward as it
becomes unstuck, causing injury
or damage to nearby people orobjects.

517
Driving your vehicle
E070100AUN-EA
Power brakes
Your vehicle has power-assisted brakes
that adjust automatically through normal
usage.
In the event that the power-assisted
brakes lose power because of a stalled
engine or some other reason, you can
still stop your vehicle by applying greater
force to the brake pedal than you nor-
mally would. The stopping distance, how-
ever, will be longer.
When the engine is not running, the
reserve brake power is partially depleted
each time the brake pedal is applied. Do
not pump the brake pedal when the
power assist has been interrupted.
Pump the brake pedal only when neces-
sary to maintain steering control on slip-
pery surfaces.E070101AUN
In the event of brake failure
If service brakes fail to operate while the
vehicle is in motion, you can make an
emergency stop with the parking brake.
The stopping distance, however, will be
much greater than normal.
BRAKE SYSTEM
(Continued)
When descending a long or steep
hill, shift to a lower gear and
avoid continuous application of
the brakes. Continuous brakeapplication will cause the brakes
to overheat and could result in a
temporary loss of braking per-
formance.
Wet brakes may impair the vehi- cle’s ability to slow down safely;
the vehicle may also pull to oneside when the brakes are applied.
Applying the brakes lightly will
indicate whether they have been
affected in this way. Always test
your brakes in this fashion after
driving through deep water. To
dry the brakes, apply them lightly
while maintaining a safe forward
speed until brake performancereturns to normal.
WARNING - Parking brake
Applying the parking brake while
the vehicle is moving at normal
speeds can cause a sudden loss of
control of the vehicle. If you mustuse the parking brake to stop the
vehicle, use great caution in apply-
ing the brake.
WARNING - Brakes
Do not drive with your foot rest- ing on the brake pedal. This will create abnormal high brake tem-
peratures, excessive brake lining
and pad wear, and increasedstopping distances.
(Continued)

Driving your vehicle
18
5
E070102AUN-EA
Disc brakes wear indicator
Your vehicle has disc brakes.
When your brake pads are worn and new
pads are required, you will hear a high-
pitched warning sound from your front or
rear brakes (if equipped). You may hear
this sound come and go or it may occur
whenever you depress the brake pedal.
Please remember that some driving con-
ditions or climates may cause a brake
squeal when you first apply (or lightly
apply) the brakes. This is normal and
does not indicate a problem with your
brakes. Parking brake E070201AFD-EA
Applying the parking brake
To engage the parking brake, first apply
the foot brake and then without pressing
the release button, pull the parking brake
lever up as far as possible. In addition it
is recommended that when parking the
vehicle on a gradient, the shift lever
should be positioned in the appropriate
low gear on manual transaxle vehicles or
in the P (Park) position on automatic
transaxle vehicles.
WARNING
- Brake wear
This brake wear warning sound
means your vehicle needs service.
If you ignore this audible warning,
you will eventually lose braking
performance, which could lead to aserious accident.
CAUTION
To avoid costly brake repairs, do not continue to drive with wornbrake pads.
Always replace brake pads as complete front or rear axle sets.
CAUTION
Driving with the parking brakeapplied will cause excessive brake
pad and brake rotor wear.
ONF058009/H