Keyless Entry System — Maruti Suzuki Swift
Category: Interior | Severity: medium | Cost: ₹1,500–₹8,000
What is Keyless Entry System?
Allows locking and unlocking of the car remotely using a key fob without inserting a physical key.
How Keyless Entry System Works
The system uses a radio frequency signal from the key fob to communicate with the car’s receiver module, which then locks or unlocks the doors.
Why is Keyless Entry System Important?
Improves user convenience and safety, especially for automatic (AMT) variants.
Common Problems
- Remote not responding
- Reduced signal strength
- Lock/unlock delay
- Battery drain
Symptoms
- Car fails to unlock remotely
- Delayed response
- Only manual locking works
Causes of Failure
- Dead battery
- Faulty BCM (Body Control Module)
- Electrical interference
- Wiring issues
Impact on Car Performance
No driving performance impact but affects user convenience.
DIY Fix Guide — Step by Step
- Replace remote battery
- Try spare key
- Check fuse
- Visit service center for reprogramming
Maintenance Tips
- Keep key battery fresh
- Avoid water damage
- Use genuine accessories
- Store spare safely
Replacement Cost in India
Estimated range: ₹1,500 – ₹8,000
Where to Buy Online
When to Replace Keyless Entry System
When remote stops working even after battery replacement and reprogramming.