
I : Inspect and if necessary, adjust, correct, clean or replace.
R : Replace or change.
*1 : If TOP TIER Detergent Gasoline is not available, one bottle of additive is
recommended. Additives are available from your authorized HYUNDAI dealer along with
information on how to use them. Do not mix other additives.
*2 : The drive belt should be replaced when cracks occur or tension is reduced excessively.


*3 : Fuel filter & Fuel tank air filter are considered to be maintenance free but periodic inspection is recommended for this maintenance schedule depends on fuel quality. If there are some important safety matters like fuel flow restriction, surging, loss of power, hard starting problem, etc. replace the fuel filter immediately regardless of maintenance schedule and consult an authorized HYUNDAI dealer for details.
Scheduled Maintenance Services
Maintenance Under Severe Usage ConditionsHyundai Elantra AD (2016-2020) Owners Manual: All Season Tires, Summer Tires, Snow Tires
All Season Tires
HYUNDAI specifies all season tires on some models to provide good performance
for use all year round, including snowy and icy road conditions. All season tires
are identified by ALL SEASON and/or M+S (Mud and Snow) on the tire sidewall. Snow
tires have better snow traction th ...
Hyundai Elantra AD (2016-2020) Service Manual: ESC OFF Switch Description and Operation
Description
1.
The ESC OFF switch is for the user to turn off the ESP system.
2.
The ESC OFF lamp is on when ESP OFF switch is engaged. ...