towing HYUNDAI SONATA 2021 User Guide

07
7-19
WARNING
If your vehicle is equipped with a
rollover sensor, place the ignition
switch in the LOCK/OFF or ACC position
when the vehicle is being towed.
The side impact and curtain air bag
may deploy if the sensor detects the
situation as a rollover.
When towing your vehicle in an
emergency without wheel dollies:
1.
Place the ignition s
witch in the ACC
position.
2.

Place the shift butt
on in N (Neutral).
3.

R
elease the parking brake.
CAUTION
Failure to place the shift button in N
(Neutral) when being towed with the
front wheels on the ground can cause
internal damage to the transmission.
Emergency Towing
If towing is necessary, we recommend
you have it done by an authorized
HYUNDAI dealer or a commercial tow
truck service.

08
8-11
Maintenance Under Severe Usage Conditions (Smartstream G1.6 T-GDi)
The following items must be serviced more frequently on cars normally used under
severe driving conditions. Refer to the chart below for the appropriate maintenance
intervals.
R: Replace or change.
I : Inspect and if necessary, adjust, correct, clean or replace.
MAINTENANCE ITEMMAINTENANCE
OPERATION MAINTENANCE
INTERVALS DRIVING
CONDITION
Engine oil and filter *
1R Every 5,000 miles or
6 months A, B, C, D, E, F,
G, H, I, J, K, L
Air cleaner filter RMore frequently C, E
Spark plugs RMore frequently A, B, H, I, K
Automatic transmission fluid R Every 60,000 miles A, C, E, F, G, I
Front brake disc/pads, calipers I More frequently C, D, G, H
Rear brake shoes or disc/pads IMore frequently C, D, G, F
Parking brake IMore frequently C, D, G, H
Steering gear box, linkage &
boots/ lower arm ball joint,
upper arm ball joint I
More frequently C, D, E, F, G,
H, I
Suspension mounting bolts IMore frequently C, D, E, F, G,
H, I
Drive shafts and boots IEvery 3,000 miles or
6 months C, D, E, F, G,
H, I
Climate control air filter
(for evaporator and blower unit) R
More frequently C, E
*1 : Requires grade engine oil. If a lower grade
engine oil (mineral oil including Semi-synthetic) is used, then the engine oil and engine
oil filter must be replaced as indicated for severe maintenance condition.
Severe Driving Conditions
A. Repeatedly driving short distances
of less than 5 miles (8 km) in normal
temperature or less than 10 miles (16
km) in freezing temperature
B.

Ext
ensive engine idling or low speed
driving for long distances
C.
Driving on r

ough, dusty, muddy,
unpaved, graveled or salt- spread
roads
D.
Driving in ar

eas using salt or other
corrosive materials or in very cold
weather
E.

Driving in sandy ar
eas F.
Driving in hea

vy traffic area over 90°F
(32°C)
G. Driving on uphill, do wnhill, or
mountain road
H.

T
owing a Trailer, or using a camper, or
roof rack
I.

Driving as a pa
trol car, taxi, other
commercial use or vehicle towing
J.
Driving o

ver 106 mph (170 km/h)
K. Frequently driving in stop-and-go conditions
L.

E
ngine oil usage which is not
recommended (semi-synthetic, mineral
type, lower grade spec, etc.)

08
8-15
Maintenance Under Severe Usage Conditions (Smartstream G2.5 GDi)
The following items must be serviced more frequently on cars normally used under
severe driving conditions. Refer to the chart below for the appropriate maintenance
intervals.
R: Replace or change.
I : Inspect and if necessary, adjust, correct, clean or replace.
MAINTENANCE ITEMMAINTENANCE
OPERATION MAINTENANCE
INTERVALS DRIVING
CONDITION
Engine oil and filter *
1R Every 5,000 miles or
6 months A, B, C, D, E, F,
G, H, I, J, K, L
Air cleaner filter RMore frequently C, E
Spark plugs RMore frequently A, B, F, G, H, I, K
Automatic transmission fluid R Every 60,000 miles A, C, E, F, G, I
Front brake disc/pads, calipers I More frequently C, D, G, H
Rear brake shoes or disc/pads I More frequently C, D, G, F
Parking brake IMore frequently C, D, G, H
Steering gear box, linkage &
boots/ lower arm ball joint,
upper arm ball joint I
More frequently C, D, E, F, G,
H, I
Suspension mounting bolts IMore frequently C, D, E, F, G,
H, I
Drive shafts and boots IEvery 3,750 miles or
6 months C, D, E, F, G,
H, I
Climate control air filter
(for evaporator and blower unit) R
More frequently C, E
*1 : Requires grade engine oil. If a lower grade
engine oil (mineral oil including Semi-synthetic) is used, then the engine oil and
engine oil filter must be replaced as indicated for severe maintenance condition.
Severe Driving Conditions
A. Repeatedly driving short distances
of less than 5 miles (8 km) in normal
temperature or less than 10 miles (16
km) in freezing temperature
B.

Ext
ensive engine idling or low speed
driving for long distances
C.
Driving on r

ough, dusty, muddy,
unpaved, graveled or salt- spread
roads
D.
Driving in ar

eas using salt or other
corrosive materials or in very cold
weather
E.

Driving in sandy ar
eas F.
Driving in hea

vy traffic area over 90°F
(32°C)
G. Driving on uphill, do wnhill, or
mountain road
H.

T
owing a Trailer, or using a camper, or
roof rack
I.

Driving as a pa
trol car, taxi, other
commercial use or vehicle towing
J.
Driving o

ver 106 mph (170 km/h)
K. Frequently driving in stop-and-go conditions
L.

E
ngine oil usage which is not
recommended (semi-synthetic, mineral
type, lower grade spec, etc.)

I
I-5
Clock ........................................................................\
..........................................5-150
Clothes hanger

........................................................................\
........................... 5-150
Crankcase emission control system
..................................................................... 8-70
Cup holder

........................................................................\
................................. 5-145
Curtain air bags


........................................................................\
............................ 3-41
D
Daytime running light (DRL)


........................................................................\
...... 5-74
Declaration of conformity........................................................................\
............ 6-79 The radio frequency components (Rear Corner Radar) complies


...................6-79
Defroster
........................................................................\
.................................... 5-142
Dimensions
........................................................................\
.................................... 2-7
Door locks
........................................................................\
.................................... 5-31
Central door lock/unlock switch


..................................................................... 5-33
Child-protector rear door lock


........................................................................\
. 5-35
Auto door lock/unlock features
....................................................................... 5-34
Operating door locks from outside the vehicle


...............................................5-31
Operating door locks from inside the vehicle


.................................................5-32
Rear Occupant Alert (ROA) system
................................................................ 5-36
Vehicle Auto-Shut Off Function
..................................................................... 5-37
Drive mode integrated control system


................................................................ 6-37
Drive mode


........................................................................\
.............................. 6-37
Driver Attention Warning (DAW)
...................................................................... 6-86
Leading vehicle departure alert


....................................................................... 6-91
Driver position memory system........................................................................\
... 5-39 Storing positions into memory


........................................................................\
5-39
Easy access function


........................................................................\
............... 5-41
Driver’s air bag
........................................................................\
............................ 3-39
Driving at night


........................................................................\
.......................... 6-141
Driving in flooded areas


........................................................................\
............ 6-142
Driving in the rain


........................................................................\
...................... 6-141
E
Electric Power Steering (EPS)


........................................................................\
..... 5-42
Electronic Stability Control (ESC)


...................................................................... 6-29
Emergency towing


........................................................................\
....................... 7-19
Emergency trunk safety release


........................................................................\
... 5-66

IndexI-16
Tires and wheels ........................................................................\
.................. 2-9, 8-34
Tire care

........................................................................\
................................... 8-34
Recommended cold tire inflation pressures


....................................................8-34
Check tire inflation pressure


........................................................................\
... 8-35
Tire rotation
........................................................................\
............................. 8-36
Wheel alignment and tire balance


................................................................... 8-37
Tire replacement


........................................................................\
...................... 8-38
Wheel replacement


........................................................................\
.................. 8-39
Tire maintenance


........................................................................\
..................... 8-39
Tire traction


........................................................................\
............................. 8-39
Tire sidewall labeling


........................................................................\
.............. 8-39
Tire terminology and definitions
..................................................................... 8-43
All

Season Tires ........................................................................\
...................... 8-46
Summer Tires
........................................................................\
.......................... 8-46
Snow Tires
........................................................................\
............................... 8-46
Radial-Ply Tires
........................................................................\
....................... 8-46
Low Aspect Ratio Tires
........................................................................\
........... 8-47
Towing
........................................................................\
......................................... 7-18
Trailer towing


........................................................................\
............................ 6-151
Trip computer


........................................................................\
.............................. 4-31
Average fuel economy
........................................................................\
............. 4-31
Instant fuel economy


........................................................................\
............... 4-31
Accumulated Info display
........................................................................\
....... 4-32
Driving Info display


........................................................................\
................ 4-32
Digital speedometer


........................................................................\
................ 4-33
Auto Stop accumulated time


........................................................................\
... 4-33
Smart shift


........................................................................\
............................... 4-33
Trunk
........................................................................\
............................................ 5-65
Turn signals........................................................................\
.................................. 5-79
U
USB charger
........................................................................\
............................... 5-147