Hyundai Elantra AD (2016-2020) Owners Manual: SRS Care
The SRS is virtually maintenancefree and there are no parts you can safely service
by yourself. If the SRS air bag warning light does not illuminate when the ignition
switch is in the ON position, or continuously remains on, have your vehicle immediately
inspected by an authorized HYUNDAI deal ...
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 ...