Is the push-start o r smart entry system in Changan Alsvin draining the battery faster when the car is not in use?

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Is the push-start o r smart entry system in Changan Alsvin draining the battery faster when the car is not in use?

Some owners suggest keyless systems may cause slow power drain. Is this a known issue?

Sirat Ul Jinan asked on 11 Jun 2025 17:25:07 pm

1 Answer

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Car Mechanic Expert - on 11 Jun 2025 17:29:20 pm

Yes, it’s a contributing factor. These systems:

Constantly poll for the smart key signal.

Keep certain modules in a standby semi-awake mode.

Can draw 30–60 mA alone, especially in poorly coded o r updated ECUs.
Users who leave the car parked for 2–3 days often return to a dead battery, particularly in winter.