In Brief

Interior

~1min read

Adjustment

Adjust the rearview mirror to clearly view the area behind the vehicle.

Manual Rearview Mirror

For vehicles with a manual rearview mirror, move the tab forward for daytime use and pull it toward you for nighttime use to avoid glare from rear lights. See Manual Rearview Mirror.

Automatic Dimming Rearview Mirror

Vehicles with an automatic dimming inside rearview mirror automatically reduce glare from rear lights. The dimming feature turns on when the vehicle is started. See Automatic Dimming Rearview Mirror.

Test yourself

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