WARNING
Performing maintenance work on a vehicle can be dangerous. If you lack sufficient knowledge and experience or the proper tools and equipment to do the work, have it done by an authorized HYUNDAI dealer.
ALWAYS follow these precautions for performing maintenance work:
The following lists are vehicle checks and inspections that should be performed by the owner or an authorized HYUNDAI dealer at the frequencies indicated to help ensure safe, dependable operation of your vehicle.
Any adverse conditions should be brought to the attention of your dealer as soon as possible.
These Owner Maintenance vehicle checks are generally not covered by warranties and you may be charged for labor, parts and lubricants used.
Hyundai Elantra AD (2016-2020) Service Manual: Description and Operation
Description
Body Control Module (BCM) function
NoItemDescription1Washer Linked Wiper
-
If the washer switch is pressed ON for 0.06~0.2 second with
the vehicle mode in IGN2, the wiper relay is turned ON 0.3±0.1 second
after washer switch ON, and then the wiper relay is turned OFF 0.7Â ...
Hyundai Elantra AD (2016-2020) Service Manual: Components and Components Location
Component Location
1. Body control module (BCM)2. Rear glass defogger switch3. Rear glass defogger
...