remove oil fill cap and pull up on edges. dont be scared... it will pop right off!
To remove the engine cover on a 2006 Cadillac CTS, start by locating the retaining bolts or clips securing the cover in place. Use a socket wrench or appropriate tool to remove these fasteners. Once they are removed, gently lift the engine cover off, being cautious of any attached components or wiring. If necessary, consult the owner’s manual for specific instructions related to your vehicle's configuration.
There is not a 2.3. It is a 2.8. The oil filter is on the top drivers side about the middle of the engine. There is a "cover" with a hex bolt in the center to remove it. The cts is a very easy oil change.
The 2007 Cadillac CTS has a V6 engine.
The 2005 Cadillac CTS has a V6 engine.
The 2010 Cadillac CTS has a V6 engine.
The 2008 Cadillac CTS has a V6 engine.
The 2012 Cadillac CTS has a V6 engine.
The 2009 Cadillac CTS has a V6 engine.
The 2004 Cadillac CTS has a V6 engine.
The 2006 Cadillac CTS has a V6 engine.
The 2013 Cadillac CTS has a V6 engine.
The 2011 Cadillac CTS has a V6 engine.