The Daewoo had NO transponder on any of their vehicles from 1999-2002. Incorrect. The Daewoo Leganza had a transponder option in 2001+, as did the Lanos. The Nubria had a transponder option in 2000+.
You will probably need to visit your local Daewoo dealership for help.
try looking on eBay
I had to buy a blank key from a daewoo dealer and then I took it into a hardware store to them to cut it for me. You can get the replacement key at Home Depot, is the car key # 27R I've just been quoted
You can get the replacement key at Home Depot, is the car key # 27R
go to Chevrolet dealer
If you have a spare key a good locksmith should be able to copy and programme the chip for you If you don't have a spare the main dealer will be able to order keys for you.
From SAAB., Your nearest dealer can get a key to match your barrel.
You can order cut replacement keys through the Daewoo Motor America website at www.daewoous.com. You must include the complete Vehicle Identification Number (VIN) in order to determine the correct key code.
contact an authorized Mercedes Benz dealer