Engine Codes Lights Symbols, are all things your vehicle uses, to talk to you.
Some are just reminders of what’s going on in, and around your vehicle. But, others are more important, and tell you about issues that need action taken.
Most lights and symbols are just warnings. Where as engine codes, tell you about more important problems. Codes do not tell you the fix, and only steer you in the right direction.
Engine Codes Lights Symbols, can be serious in nature, such as the Check Engine Light (CEL). It is normal for the lights to illuminate briefly, when the vehicle is started. But, if they stay on or begin to flash, you should take the vehicle into a repair shop to get it checked out.