Thread: Engine Oil Change
View Single Post
Old 02-26-2012, 06:38 PM   #11 (permalink)
gone-ot
...beats walking...
 
Join Date: Jul 2009
Location: .
Posts: 6,190
Thanks: 179
Thanked 1,525 Times in 1,126 Posts
...GM's Oil Life Monitor (OLM) starts out with a 20,000-mile "guess" assuming the use of their dexos1™ synth-blend 5W/30, and then 'shortens' that number for cold-starts, idling and slow-speed city driving.
  Reply With Quote