Fuel Economy Mode
Vehicles with a 2.4L engine have a Fuel Economy Mode. When engaged, fuel economy mode can improve the vehicle's fuel economy
Press the “eco” (economy) button by the shift lever to turn this feature on or off. The “eco” light in the instrument cluster will come on when engaged. See Fuel Economy Light on page 5‑21.
A Driver Information Center (DIC) message “ECO MODE ON” is also displayed. See Fuel System Messages on page 5‑29 for more information.
When Fuel Economy Mode is on:
○ The transmission will upshift sooner and downshift later.
○ The torque converter clutch will apply sooner and stay on longer.
○ The gas pedal will be less sensitive.
○ The vehicle's computer will more aggressively shut off fuel to the engine under
deceleration.
○ The engine idle speed will be lower.
○ Driving performance is more conservative.
See also:
Starting the Engine Using Remote Start
To start the vehicle:
1. Aim the RKE transmitter at the vehicle.
2. Press and release on the RKE transmitter.
3. Immediately after completing Step 2, press and hold until the parking lamps flash. ...
Engine Oil
For diesel engine vehicles, see “Engine Oil” in the Duramax Diesel Supplement.
To ensure proper engine performance and long life, careful attention must be paid to engine oil.
Following these si ...
Turn&-by&-Turn Navigation
1. Push to connect to a live Advisor.
2. Request directions.
3. Directions are downloaded to the vehicle.
4. Follow the voice-guided commands. ...