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: Compressor oil Repair procedures
Oil Specification
1.
The HFC-134a system requires synthetic (PAG) compressor oil
whereas the R-12 system requires mineral compressor oil. The two oils
must never be mixed.
2.
Compressor (PAG) oil varies according to compressor model. Be sure to use oil specified for the model of compress ...
Hyundai Elantra AD (2016-2020) Service Manual: Smart Key Diagnostic Repair procedures
Inspection
Self Diagnosis with Scan Tool
It will be able to diagnose defects of SMART KEY system with
GDS quickly. GDS can operates actuator forcefully, input/output value
monitoring and self diagnosis.
The following three features will be major problem in SMART KEY system.
1.
Problem in ...