Type A

(1) Headlamp (High & Low)
(2) Daytime running lamp (DRL)&Parking lamp
(3) Turn signal lamp
(4) Side marker

Headlamp (Halogen bulb)
WARNING

â– High/Low beam
1. Open the hood.
2. Disconnect the negative battery cable.
3. Remove the headlamp bulb cover by turning it counterclockwise.
4. Disconnect the headlamp bulb socket-connector.
5. Unsnap the headlamp bulb retaining wire by pressing the end and pushing it upward.
6. Remove the bulb from the headlamp assembly.
7. Install a new headlamp bulb and snap the headlamp bulb retaining wire into position by aligning the wire with the groove on the bulb.
8. Connect the headlamp bulb socket- connector.
9. Install the headlamp bulb cover by turning it clockwise.
Information
The headlamp aiming should be adjusted after an accident or after the headlamp assembly is reinstalled at an authorized HYUNDAI dealer.
Parking lamp/Daytime running lamp (LED type)
Your vehicle is equipped with LED lamps. LED lamps do not have replaceable bulbs. If the LED lamp does not operate, have the vehicle checked by an authorized HYUNDAI dealer.

Parking lamp/Daytime running lamp (bulb type)
1. Open the hood.
2. Disconnect the negative battery cable.
3. Remove the socket from the assembly by turning the socket counter clockwise until the tabs on the socket align with the slots on the assembly.
4. Remove the bulb from the socket by pressing it in and rotating it counter clockwise until the tabs on the bulb align with the slots in the socket. Pull the bulb out of the socket.
5. Install a new bulb by inserting it into the socket and rotating it until it locks into place.
6. Install the socket in the assembly by aligning the tabs on the socket with the slots in the assembly.
7. Push the socket into the assembly and turn the socket clockwise.

Turn signal
If the light bulb does not operate, have the vehicle checked by an authorized HYUNDAI dealer.

Side marker (bulb type)
If the light bulb does not operate, have the vehicle checked by an authorized HYUNDAI dealer.
Side marker (LED type)
Your vehicle is equipped with LED lamps. LED lamps do not have replaceable bulbs. If the LED lamp does not operate, have the vehicle checked by an authorized HYUNDAI dealer.
Type B

(1) Headlamp (Low)
(2) Headlamp (High)
(3) Daytime running lamp (DRL) & Parking lamp
(4) Turn signal lamp
(5) Side marker
Headlamp/Side marker/Parking lamp/Daytime running lamp (LED type)
Your vehicle is equipped with LED lamps. LED lamps do not have replaceable bulbs. If the LED lamp does not operate, have the vehicle checked by an authorized HYUNDAI dealer.
Turn signal lamp
If the light bulb does not operate, have the vehicle checked by an authorized HYUNDAI dealer.
Light Bulbs
Side Repeater Lamp ReplacementHyundai Elantra AD (2016-2020) Owners Manual: Drive Mode Integrated Control System
The drive mode may be selected according to the driver's preference or road condition.
Information
If there is a problem with the instrument cluster, the drive mode will be
in NORMAL mode and may not change to SPORT mode.
The mode changes, as below, whenever the DRIVE MODE button is press ...
Hyundai Elantra AD (2016-2020) Service Manual: Transaxle Control Module (TCM) Description and Operation
Description
•
Monitors the vehicle's operating conditions to determine the optimal gear setting.
•
Performs a gear change if the current gear setting differs from the identified optimal gear setting.
•
Determines the need for Damper Clutch (D/C) activation and engages the clu ...