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:
Additional Safety PrecautionsHyundai Elantra AD (2016-2020) Owners Manual: Power Brakes
Your vehicle has power-assisted brakes that adjust automatically through normal
usage.
If the engine is not running or is turned off while driving, the power assist
for the brakes will not work. You can still stop your vehicle by applying greater
force to the brake pedal than typical. The sto ...
Hyundai Elantra AD (2016-2020) Service Manual: Troubleshooting
Trouble Symptom Charts
Trouble Symptom 1
Trouble Symptom 2
Trouble symptomProbable causeRemedyThe set vehicle speed varies greatly upward or downward"Surging" (repeated alternating acceleration and deceleration) occurs after settingMalfunction of the vehicle speed sensor circuitRepair the veh ...