Why doesn't the car respond when pressing the unlock button on the key?

1 Answers
Valerie
07/30/25 5:10am
The reasons why the car doesn't respond when pressing the unlock button on the key are as follows: 1. The key fob battery is dead. This situation is relatively common but difficult to diagnose. If the battery hasn't been replaced for a long time, simply replace it. 2. Severe signal interference in the surrounding environment. Drive the car to another location; if it works, it indicates strong signal interference nearby. If it still doesn't work, then it's one of the other reasons. 3. Damage to the key's control unit. 4. Key code mismatch. 5. Not shifting to P (Park) before turning off the engine (some models require shifting to P before turning off the engine).
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