Where is the oil filter located on 2007 Cadillac CTS?

Why would a 1991 Lumina with 250000 miles run like new but sometimes be very hard starting especially in cold weather? Can some one tell you what fuses are what on a 1985 ford F150 and what amp fuses goes there? How do you properly engage a 1994 gmc into 4x4 mode? What is the wheelbase measurement for a Ford excursion? Can you use full synthetic oil in a 2007 Chevy Cobalt? What causes a 2000 Buick La Sabre to vibrate when put in reverse? Where is the button for the hazard lights on a ford 2003 explorer? What is different about Chevy G20 vs Chevy G30? How do you set the timing for a 1995 Eagle Summit AWD? Where is the fuse located for the windshield wiper blades on a 1998 Lincoln Navigator? What is the rear end capacity of a 07 sierra? Is there a problem with the odometer light on the 2008 buick lacrosse When you need it on dark days or dusk it is the dimmest If you turn on the headlights at dusk the odometer light is almost off? Your 1986 Ford E150 Raised Roof Conversion van will not start Cranks and cranks but nothing happens Is it carbeurated And how do you get to the carbeurator if it is? How do you take the door panel off the drivers door on a 97 jetta? How do you fix your remote central locking on a fiesta? Where is the computer box located on a 2002 dodge stratus? Is a 1971 quarter rare? How do you change a rear door lock actuator on a 1999 Chevy suburban? How do you replace fuel pump on 2004 cavalier? Is the computer the same from a 92 Dakota 5.2l and a 92 w150 5.2l?