2003 Buick Century Q&A
2003 Buick Century Question: key problem
Possibly your ignition switch is beginning to fail, some of these models have a chip on the ignition key and as they age the vehicle will not recognize the key, call the buick parts department and asked the counter person if this is common and what do they recommend sometimes you can just buy a new key. - Valleyautotech
You need to have it renewed..it has a sensor built into it. bring it to a GM dealership, have a credit card handy! - pfmills
The security light has come own reasonally and when i turn the key on sometime it doesnot start.The security light blinks off and on sometime. sometime if i turn it off with the steering wheel not ...
My key fob will not unlock doors and the key wont unlock the doors either. Also, the key will not open the trunk.
The automatic transmission shifter may fail, or a wire may break near the shifter causing the ignition key to become stuck in the ignition lock cylinder.
I have to turn key several times to start engine, other times it stats right up.
My security light on dash is on and, the car will not do anything. Dash,windows and all interior lights work so it's not the battery.