Nearly all the Maruti Suzuki Cars (2007+ Models) sold in India have an immobilizer chip in their keys. They refer to this technology as i-CATS system. You will find either ID 65, ID 40 or ID 46 chips in these keys. 

List of cars having immobilizer 

• 800 (2007+ models) : ID 65

• Alto (2007 – 2010) : ID 65

• Alto (2010+ models) : ID 46 manchester

• Alto K-series : ID 46

• Alto 800 : ID 46

• Omni (2007+ models) : ID 65 or ID 46

• Zen Estillo (2007 – 2010) : ID 65

• Zen Estillo (2010+ models) : ID 46

• Wagon R (2007 – 2010) : ID 65

• Wagon R (2010+ models) : ID 46

• Swift Diesel (2007 – 2010 models) : ID 40

• Swift Diesel (2010+) : ID 46

• Swift Petrol (2007+ models) : ID 46

• Swift DZire Diesel (2007 – 2010 models) : ID 40

• Swift DZire Diesel (2010+) : ID 46

• Swift DZire Petrol (2007+ models) : ID 46

• Ritz (All models) : ID 46

• SX4 (All models) : ID 46

• Ertiga (All models) : ID 46

• Grand Vitara (All models) : ID 46

Note: Immobiliser chip is highly prone to damage. Even a minor scratch on chip can render it  useless. Take it out carefully as damaged chip will not work and you will not be able to start your car with it. 

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