Help me please.....

You must use 10W30 oil in the summer. On really hot days, when you are stopped and in drive, the oil pressure will drop to almost zero (according to the dash gauge).
If this is not happening under the above conditions, you need to place a shop gauge in the oil sensor sender port and test for proper pressure. If it is low (out of spec), you need to ensure the oil sump is not plugged in the crankcase. If it's not plugged, you need to replace the oil pump and fast!

The ABS issue is probably caused by the EBCTM module on the back of the ABS modulator, loose fuse, or bad connection to the module. Affects the cruise and PS as well.

I am having the same problem with my oil pressure light, I used to have a major oil leak that cost $700 to fix, then 2 months later a defective part caused another minor oil leak. Now my oil pressure gauge comes on when i reduce my speed by about 40 mph. The oil pressure light could mean either that you have a leak or the oil pressure sensor is malfunctioning. If you are not an expert mechanic my advice is take it to a mechanic and have them look at it. The other lights could be a fuse hopefully, if not the dash could have a wiring problem.