Several warning lights in 2 days


Asked by Jan 14, 2018 at 02:27 PM about the Hyundai Sonata

Question type: Maintenance & Repair

After my 2011 Hyundai Sonata GLS (Manual Transmission) sat for five
weeks with no use, I made a short round trip drive (approx. 1.5 miles) with no
sign of any issues.  I did not use the car for two days. The next time it was
used, after the normal system checks the ABS and Electronic Stability
Control lights stayed on.  Three to five minutes later the Low Tire Pressure
light Flashed for a minute or so and than remained on.

Knowing what these systems did, and having driven for years before cars
had them I was not to worried.  When I stopped I checked the tires and they
all appeared fine.

The next day I made a 40 mile round trip.  About halfway on the outbound
leg I noticed that the Electronic Power Steering (EPS) light was on and I
noticed a slight difference in the steering (I was on the Freeway).  On surface
streets it was more noticeable but not a major problem.

About halfway on the return trip the Engine light came on.  The manual says
that the engine light indicates an emissions issue.  This was last night.

The engine seems to have maintained normal power through all of this.

Other possibly relevant information:
1) The car was parked in the open air about 3 or 4 miles, as the crow flies,
from the Bel Air / Skirball Fire, in the San Fernando Valley.
2) It was last driven about a day and a half before the fire started.
3) It had its first Smog Check about a week before being parked.  The
Technician had a communication issue between his equipment and two
different cars.  After he restarted his computer communication was
established and the test was passed.
4) Mileage is approximately 55,800.  It has had regular maintenance at the
5) The Break light in the photo is on because the parking break is on.  Light
goes off when brake is released.

What is Going On???  Any Help would be Greatly Appreciated.

4 Answers


More possibly relevant information: 6) Cruise Control will NOT Turn On. 7) The Shifting Suggestion Display Does NOT operate.

1 people found this helpful.

Needs to go to the Hyundai dealership's service department.

1 people found this helpful.

The light just to the left of the check engine light (on the bottom right) is your tire pressure monitoring system (TPMS) light. Usually it comes on when one or more of your tires is low on air. Since low tire pressure can effect steering and sometimes the ABS (Antilock Brake System) I'd start there. Inflate the tires to the proper pressure and see what happens. It may be as simple as that. HTH. -Jim


It ended up being a failing Rear Wheel Speed Sensor.

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