HYUNDAI XG350 WARNING LIGHT

I Had The Check Engine Light Come On, On My 2003 Hyundia Xg350. It Would Not Shift On It's Own. When I Got To 3000 Rpm's The Engine Woulf...

The Stop/tail Light Failure Warning Light Comes On Each Time I Brake On 2004 Hyundai Xg350 New Front Pads Installed 7/2009. No Squealing...

This Warning Light Is Accompanied By A Shaky Steering Wheel At Low Speeds. I Am Not Sure If These Are Related. The Tcs And Abs Warning Light...

My Cel Came On And Has Been On Even After Having The Codes Cleared. The Code That Comes Up Is P0320. I Do Not Notice Any Performance...

Just Replace The Crank Sensor, Timing Belt And Water Pump Two Days Ago. Went To Start This Morning It Hesitated And Started On 2nd Try But...

Tach Does Not Work At Times And Check Engine Light Stays On Most Of The Time. Sometimes On And Off, Now Back On

How To Check Light? And What Is Instriment Used?