Problem with the emissions system.
Have the code read, that will tell you.
A failing alternator.
Usually if the tires slip the control lite will flash.
what causes the engine light and the tcs and slip light to come on
Low fluid levels in engine.
To reset the check engine light in your 2006 Toyota Corolla, you will need to attach the car to a diagnostic computer. This allows you to pinpoint the reason for the light coming on, select the correct sensor, and reset the light.
check brake lines,make sure there is no leaking
engine manangemant light coming on in dash when wud this be plus my heaters arent blowing out hot air
one of the light bulbs in the rear of the car is out.
Defective or mis-adjusted brake light switch
A common cause for an ABS indicator light not coming on in a 2004 Toyota Highlander even when the ignition is started is electrical issues.