1) Keep on top of your maintenance
Change the oil every 3500-4000 miles
Check the oil every time you fill up
for automatics - drain and fill the ATF every 15k miles and change the filter every 4th time
2) When the CEL comes on - diagnose and fix it ASAP
3) spray fluid film or corrosion X-HD in every nook and cranny, seem, and exposed metal underneath the car - every other oil change
Change the oil every 3500-4000 miles
Check the oil every time you fill up
for automatics - drain and fill the ATF every 15k miles and change the filter every 4th time
2) When the CEL comes on - diagnose and fix it ASAP
3) spray fluid film or corrosion X-HD in every nook and cranny, seem, and exposed metal underneath the car - every other oil change