How do i turn on the fog lights on 2007 srx?

Look for any rubber plugs that can be removed. If no plugs are present, you will have to enter where any wiring harness are in rubber grommets on the firewall....Do not drill any holes...Damage to something behind the firewall could occur . Make sure your Lights are fused and use existing grommets....No sharp metal edges....I use a length of welding wire to fish my circuits through the grommets from inside the car.... Disconnect the negative battery cable before doing any electrical projects......

Water buildup can be due to humidity and condensation. This is a common problem on the Cadillac SRX 2010-2011(at least). The replacement can cost about $1,500 USD through a dealership.

License plate lights

fuse?, brake switch?

If oil level is correct, you could install a mechanical oil pressure gauge to insure you actually have good oil presure. If all is well, change oil pressure sender unit.

What fues controls the rear led tail lights on a 2004 cadillac srx?

check plug where it plus into light for burnt or melted plastic

change back up light 2005 srx

You must take the front wheel off, then remove the inner front fender panels (2), they are fastened with plastic pushbuttons. this exposses the light housings for the turn and fog lambs. This takes about an hour, but saves you alot of money.