Driving and Operation

Gasoline

~1min read

TOP TIER Detergent Gasoline is strongly recommended for use in your vehicle. If TOP TIER Detergent Gasoline is not available in your country, add ACDelco Fuel System Treatment Plus Gasoline to the vehicle's gasoline fuel tank at every oil change or every 15,000 km (9,000 miles), whichever occurs first. TOP TIER Detergent Gasoline and ACDelco Fuel System Treatment Plus Gasoline help keep the engine's fuel system clean and operating optimally.

Test yourself

A quick GMC Terrain quiz: every answer comes with an explanation and a link to the manual page.