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 dealer.
Any work on the SRS system, such as removing, installing, repairing, or any work on the steering wheel, the front passenger's panel, front seats and roof rails must be performed by an authorized HYUNDAI dealer. Improper handling of the SRS system may result in serious personal injury.
WARNING
To reduce the risk of serious injury or death, take the following precautions:
Air bag non-inflation conditions
Additional Safety PrecautionsHyundai Elantra AD (2016-2020) Service Manual: Brake Booster Repair procedures
Brake Booster Operating Test
For simple checking of the brake booster operation, carry out the following tests.
1.
Run the engine for one or two minutes, and then stop it. If
the pedal depresses fully the first time but gradually becomes higher
when depressed succeeding times, the booster ...
Hyundai Elantra AD (2016-2020) Service Manual: Specifications
Specifications
DescriptionSpecificationsLimitGeneralTypeIn-line, DOHC Number of cylinders4 Bore81.0 mm (3.1890 in.) Stroke97.0 mm (3.8189 in.) Total displacement1999 cc (121.99 cu.in.) Compression ratio12.5±0.2 : 1 Firing order1-3-4-2 Valve timingIntake valveOpen[BTDC 38° ~ ATDC 2°(initial p ...