Replace key lock - Bajaj Motorcycles

question edited for clarity.
Question moved from Misc.

50 years in the trade and never heard of that make.

Normally you just replace the whole lock or the lock cylinder.

Lock & Key Children Fridge Safety Lock - GEM HOME

gemhomeaccesories.com https://gemhomeaccesories.com > products > lock-key...
Lock & key Children fridge safety lock -1595/-. Package Includes: 2 Keys. 1 pcs Black Fridge Lock. 1 Installation Sheet. 2 Extra Adhesive Pads.

Parts, although a local locksmith could supply a lock body and keys.

https://www.google.com/search?q=Coldtech++J4SRF-40B+replacement+lock

..

Your first step would be to contact the lock manufacturer, most will send you a replacement key with confirmation of your model and or Serial #.

Chipped ignition ? Key's on your car do not have transponder chip . Replacing Keys
The ignition lock cylinder and keys do not contain any coded electronic components. The lock cylinder housing contains the coded electronic components. Changing an ignition lock cylinder or replacing a key is a purely mechanical process which does not affect the vehicle theft deterrent system. To replace an existing key, simply cut a new key to match the existing one. If no keys are available, the lock cylinder must be changed. To change the lock cylinder, simply replace the existing lock cylinder with one of the same type.

either buy a set of locks that are keyed alike a few places carry bulk locks --or buy locks that can be keyed to what ever key you want call a locksmith and ask for places to buy bulk verses interchangeable tumbler locks

A key code is stamped on the lock cylinder to aid in replacing lost keys.

not locks ur key is probably worn down if both doors are not opening with key than problem is with key have a key cut and try locks [thats if u dont have a spare key to use ] if new key wont work than wil need to replace locks look in bone yard cheapest online moderate price dealer higher[or use vin number for new key can be pricey ]

Programming
When
Key added or replaced. System malfunction.
How
Obtain all keys. A maximum of 3 keys can be programmed. Close all doors and boot/tailgate. Switch ignition ON. Repeat procedure below 3 times: Within 4 seconds: Press key lock or unlock button. Within 4 seconds: Switch ignition OFF. Within 4 seconds: Switch ignition ON. Within 4 seconds: Press key lock or unlock button. System should now lock or unlock vehicle. Within 4 seconds: Press key lock or unlock button. Within 10 seconds: Press lock or unlock button of first key. System should now lock or unlock vehicle. Press lock or unlock button of second key. System should now lock or unlock vehicle. Press lock or unlock button of third key. System should now lock or unlock vehicle. Switch ignition OFF. Remove key. Check operation of all programmed keys.
NOTE: If less than 3 keys are to be programmed, remove ignition key after programming last key.

Synchronization
When
Key buttons operated repeatedly while vehicle out of range and system becomes inoperative.
How
Press key lock or unlock button for approximately 1 second. Manually lock or unlock vehicle. System should now lock or unlock vehicle. If not, carry out programming procedure.
Programming
When
Key added or replaced. System malfunction.
How -

98MY
Keys can only be programmed using diagnostic equipment.
NOTE: A maximum of 4 keys can be programmed.
How - 99MY

Switch ignition ON. Insert key to be programmed into driver's door lock. Lock vehicle manually. Press lock or unlock button. Wait at least 1 second. Press lock or unlock button again. Vehicle horn sounds to indicate correct programming. Keys can also be programmed using diagnostic equipment.
NOTE: A maximum of 4 keys can be programmed.

If your key is worn try getting a new one cut.
The ignition lock cylinder and keys do not contain any coded electronic components. The lock cylinder housing contains the coded electronic components. Changing an ignition lock cylinder or replacing a key is a purely mechanical process which does not affect the vehicle theft deterrent system. To replace an existing key, simply cut a new key to match the existing one. If no keys are available, the lock cylinder must be changed. To change the lock cylinder, simply replace the existing lock cylinder with one of the same type.
If you are unable to operate the ignition cylinder with a new key then you will probably need to replace the cylinder and switch.Replacement of the switch involves reprogramming
The system may be programmed with or without a scan tool.
There is a way to get the cylinder out without replacing the switch but this procedure should be performed by a qualified GM technician as it involves removal of the switch and some precise drilling.