GMC Terrain: In Brief / Vehicle Features

Transmission

Electronic Range Select (ERS) Mode ERS or manual mode allows for the selection of the range of gear positions. Use this mode when driving downhill to limit the top gear and vehicle speed...

Infotainment System and Cruise Control

Infotainment System See the infotainment manual for information on the radio, audio players, phone, navigation system, and voice or speech recognition...

Other information:

GMC Terrain 2018-2023 Owners Manual: OnStar Additional Information

In-Vehicle Audio Messages Audio messages may play important information at the following times: Prior to vehicle purchase. Press to set up an account. After change in ownership and at 90 days. Transferring Service Press to request account transfer eligibility information...

GMC Terrain 2018-2023 Owners Manual: Exhaust Fluid Quality Poor

Use only exhaust fluid that is GM approved, or fluid containing the API certified or ISO 22241 label. All DEF has an expiration date. If the system detects poor quality, or contaminated or diluted DEF, the DIC message EXHAUST FLUID QUALITY POOR - SEE OWNERS MANUAL NOW – 160 KM (99 MI) UNTIL 104 KM/H (65 MPH) MAX SPEED displays...