You can use a scan tool or unhook the battery after repairing the cause of the fault.
You need a scan tool to properly reset the check engine light.
The best place to find an engine diagram for a Chrysler Sebring would be in the owner's manual. If you do not have your, contact Chrysler or check your library.
Check the coolant level. Or, thermostat could be stuck in open position.
The first two steps are check the fluid and check the computer for trouble codes.
If you call your local dealer, they will check for free to see if you have any open recalls.
Start with 4.5 and check the dipstick.
A local auto supply store can reset it for you.
The only proper way is with a scan tool.
The engine light stays on when the engine computer has detected an emissions related failure and set a code.
Check all of you bulbs on the car, more than likely one is burned out...
Have it checked for codes, That is the same as the check engine light.
Depending on which engine is in the 2006 Chrysler Sebring has, the engine takes between 4.5 and 5 quarts of oil. Check the oil with the dipstick before adding all of the oil, and add more as needed. Do not overfill.