EZS key checker can fast check the keys and the chucks working or not, it’ s suitable for Benz, BMW, VW & AUDI cars.

 

BENZ
Suitable For: Triangle key
1. Put the checker on the lock
2. Insert triangle key to lock
3. Flashing light is on all the time: both key and chuck are ok
Flashing light is on and then off: chuck is ok, key is bad

Flashing light on but still can not start the car: Please check whether the steering wheel, or the key is bad
No flashing light: chuck is bad

BMW
Suitable For: Diamond key and Inhaled key
1. Diamond key: two methods on the basis of vehicle system.
1). Put the checker on the lock directly (no need to insert the key), flashing light on means the chuck is ok (for: E46, E39, E53)
2). Put the checker on the lock directly (insert the key), Flashing light always on means both the key and chuck are ok
3). Flashing light on and then off: chuck is ok but key is bad

2. Inhaled key (big 7, big 3, big 5, big 1), put the checker on the lock directly
1). Flashing light is on all the time : both the key and chuck are ok
2). Flashing light on and then off: chuck is ok but key is bad

VW & AUDI: Suitable for inhaled key