Hyundai Sonata: Remote Key / Remote key precautions

The remote key will not work if any of the following occur:

When the remote key does not work correctly, open and close the door with the mechanical key. If you have a problem with the remote key contact an authorized HYUNDAI dealer.

If the remote key is in close proximity to your mobile phone, the signal could be blocked by your mobile phones normal operational signals. This is especially important when the phone is active such as making and receiving calls, text messaging, and/or sending/receiving emails.

Avoid placing the remote key and your mobile phone in the same pants or jacket pocket and always try to maintain an adequate distance between the two devices.

Information

This device complies with Part 15 of the FCC rules.

Operation is subject to the following three conditions:

1. This device may not cause harmful interference, and

2. This device must accept any interference received, including interference that may cause undesired operation.

3. Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the device.

NOTICE

Keep the remote key away from electromagnetic materials that blocks electromagnetic waves to the key surface.

Mechanical key
If the remote key does not operate normally, you can lock or unlock the door by using the mechanical key. Press the release button then the key will unfold automatically. To fold the key, fold the k ...

Battery replacement
If the remote key is not working properly, try replacing the battery with a new one. Battery Type: CR2032 To replace the battery: 1. Pry open the rear cover of the remote key. 2. Remove the old batt ...

Other information:

Hyundai Sonata LF 2014-2019 Service Manual: Transmission Gear Oil Repair procedures
Inspection     • In principle, the transmission oil is maintenance-free, and no exchange is required. But it must be inspected and replenished every 4 years or 40,000 miles. 1. Park the vehicle on flat ground and turn off the engine. 2. Remove the under cover. ...

Hyundai Sonata LF 2014-2019 Service Manual: Water pump Troubleshooting
Troubleshooting SymptomsPossible CausesRemedyCoolant leakage • From the bleed hole of the water pump Visually check • Check leaks after about ten-minute warming up. • If coolant still leaks, replace a water pump. • If leakage stops, reuse the water pump (Do not repl ...

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