Hyundai Sonata: Remote keyless entry - Features of your vehicleHyundai Sonata: Remote keyless entry

Battery replacement
A smart key battery should last for several years, but if the smart key is not working properly, try replacing the battery with a new one. If you are unsure how to use your smart key or replace ...

Remote keyless entry system operations
Lock (1) All doors are locked if the lock button is pressed. If all doors, trunk and hood are closed, the hazard warning lights will blink once to indicate that all doors are locked. Also, i ...

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Components and Components Location
Component Location 1. Front deicer relay 2. Back up relay 3. IGN2 4. Rain sensor 5. Start #1 relay (H1) 6. HAC relay 7. Wiper relay 8. IGN1 9. Start #2 rela ...

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 ...

Troubleshooting
Troubleshooting Symptom Possible cause Remedy Hard steering Improper front wheel alignment Excessive turning resistance of lower ar ...