GMC Terrain: Automatic Transmission - Automatic Transmission - Driving and Operating - GMC Terrain Owner's ManualGMC Terrain: Automatic Transmission

The automatic transmission shift lever is located on the console between the

The automatic transmission shift lever is located on the console between the seats.

P (Park): This position locks the front wheels. Use P (Park) when starting the engine because the vehicle cannot move easily.

WARNING

It is dangerous to get out of the vehicle if the shift lever is not fully in P (Park) with the parking brake firmly set. The vehicle can roll.

Do not leave the vehicle when the engine is running unless you have to. If you have left the engine running, the vehicle can move suddenly. You or others could be injured. To be sure the vehicle will not move, even when you are on fairly level ground, always set the parking brake and move the shift lever to P (Park). See Shifting Into Park on page 9‑26. If you are pulling a trailer, see Driving Characteristics and Towing Tips on page 9‑57.

The vehicle has an automatic transmission shift lock control system. You must fully apply the regular brake first and then press the shift lever button before shifting from P (Park) when the ignition key is in ON/RUN. If you cannot shift out of P (Park), ease pressure on the shift lever, then push the shift lever all the way into P (Park) as you maintain brake application. Then press the shift lever button and move the shift lever into another gear. See Shifting out of Park on page 9‑27.

R (Reverse): Use this gear to back up.

Notice: Shifting to R (Reverse) while the vehicle is moving forward could damage the transmission. The repairs would not be covered by the vehicle warranty. Shift to R (Reverse) only after the vehicle is stopped.

To rock the vehicle back and forth to get out of snow, ice or sand without damaging the transmission, see If the Vehicle Is Stuck on page 9‑15. N (Neutral): In this position the engine and transmission do not connect. Use N (Neutral) to restart a vehicle that is already moving.

WARNING

Shifting into a drive gear while the engine is running at high speed is dangerous. Unless your foot is firmly on the brake pedal, the vehicle could move very rapidly. You could lose control and hit people or objects. Do not shift into a drive gear while the engine is running at high speed.

Notice: Shifting out of P (Park) or N (Neutral) with the engine running at high speed may damage the transmission. The repairs would not be covered by the vehicle warranty. Be sure the engine is not running at high speed when shifting the vehicle.

D (Drive): This position is for normal driving. It provides the best fuel economy. If you need more power for passing, and you are:

○ Going less than 56 km/h (35 mph), push the accelerator pedal about halfway down.

○ Going about 56 km/h (35 mph) or more, push the accelerator all the way down.

Notice: If the vehicle seems to accelerate slowly or not shift gears when you go faster, and you continue to drive the vehicle that way, you could damage the transmission. Have the vehicle serviced right away.

M(Manual Mode): Allows the driver to select the range of gear positions. See Manual Mode on page 9‑31.

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