GMC Terrain: Setting Adaptive Cruise Control / Objects Not Directly in Front of Your Vehicle

Other Vehicle Lane Changes

..

Driving in Narrow Lanes

Vehicles in adjacent traffic lanes or roadside objects may be incorrectly detected when located along the roadway...

Other information:

GMC Terrain 2018-2025 Owners Manual: Diesel Engine Starting Procedure

The diesel engine starts differently than a gasoline engine. With the Keyless Access system, the RKE transmitter must be in the vehicle. Press ENGINE START/STOP and observe the wait-to-start light. See Wait-to-Start Light 0 139. This light may not come on if the engine is warm. As soon as the wait-to-start light goes off, immediately press ENGINE START/STOP with the brake p..

GMC Terrain 2018-2025 Owners Manual: Checking Coolant

The vehicle must be on a level surface when checking the coolant level. Check to see if coolant is visible in the coolant surge tank. If the coolant inside the coolant surge tank is boiling, do not do anything else until it cools down. If coolant is visible but the coolant level mark is not visible, add a 50/50 mixture of clean, drinkable water and DEX-COOL coolant at the coolant surge..