Vehicle Speed Control Related Problems of the 2018 Hyundai Elantra

Table 1 shows two common vehicle speed control related problems of the 2018 Hyundai Elantra. The number one most common problem is related to the vehicle speed control (14 problems). The second most common problem is related to the accelerator pedal (one problem).

Table 1. Vehicle Speed Control related problems of Hyundai Elantra

Problem Category Number of Problems
Vehicle Speed Control problems
14
Accelerator Pedal problems
1

Recently reported Vehicle Speed Control problems of the 2018 Hyundai Elantra

The Vehicle Speed Control problem

The dealership replaced my engine and spark plugs when the pistons were grinding metal causing a catastrophic failure in November of 2024. In July of 2025 I started experiencing the same issues and the dealership stated that Hyundais ignition coils have a high rate of failure because they changed   Read details...

The Accelerator Pedal problem

The contact owns a 2018 Hyundai Elantra. The contact stated while driving from a complete stop, the accelerator pedal was depressed, but the vehicle failed to respond. The contact continuously depressed the brake pedal, and the vehicle responded significantly, causing the contact to depress the   Read details...


Vehicle Speed Control related problems in other Hyundai Elantra model year vehicles:



Elantra Service Bulletins
Elantra Safety Recalls
Elantra Defect Investigations