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 2018-2026 Owners Manual: Lockout Protection

If the ignition is on or in ACC/ ACCESSORY and the power door lock switch is pressed with the driver door open, all the doors will lock and only the driver door will unlock. If the vehicle is off and locking is requested while a door is open, when all doors are closed the vehicle will check for RKE transmitters inside...

GMC Terrain 2018-2026 Owners Manual: Alerting the Driver

If ACC is engaged, driver action may be required when ACC cannot apply sufficient braking because of approaching a vehicle too rapidly. When this condition occurs, six red lights will flash on the windshield. Either eight beeps will sound from the front, or both sides of the Safety Alert Seat will pulse five times...