That is ECU fault warning light, take it for diagnostics to
find the exact fault
just you brake pad warning light.. need new front pads, possibly disc get check the pad thickness ASAP! (inside pads are always thinner)
A small yellow symbol lit up on my dashboard, is it the transmission light?
You can drive your car with the yellow 'service engine' light on the dashboard, but it is not recommended. This light warns you of the need to have the engine serviced.
a curly yellow spring
one of tyres are low pressure
The yellow light bulb indicates that there is a blown bulb ( taillight, turn signal, etc.) somewhere on the vehicle.
On my 95 Avalon, there was a yellow picture of a car showing that my rear lights (license plate) were out.
The yellow dashboard warning light you are seeing on your 2003 Dodge Neon is most likely the fuse warning light. You will most likely need to go to a mechanic to find out which fuse needs to be replaced.
Time for scheduled maintenance.
You can find companies in your local yellow page listing that might be able to provide this service for you. If you are capable of replacing it yourself, you can always purchase the dash and materials yourself. A great site is dashtops.com.
Disconnect the battery for 15 mins
oil light on when engine off