Driving for Better Fuel Economy

Driving habits can affect fuel mileage. Here are some driving tips to get the best fuel economy possible.

  • Avoid fast starts and accelerate smoothly.
  • Brake gradually and avoid abrupt stops.
  • Avoid idling the engine for long periods of time.
  • When road and weather conditions are appropriate, use cruise control.
  • Always follow posted speed limits or drive more slowly when conditions require.
  • Keep vehicle tires properly inflated.
  • Combine several trips into a single trip.
  • Replace the vehicle's tires with the same TPC Spec number molded into the tire's sidewall near the size.
  • Follow recommended scheduled maintenance.
    See also:

    Diagnostics
    OnStar Vehicle Diagnostics will perform a vehicle check every month. It will check the engine, transmission, antilock brakes, and major vehicle systems. It also checks the tire pressures, if ...

    Door Locks
    To lock or unlock the doors from the outside, press or on the Remote Keyless Entry (RKE) transmitter. To unlock a door from the inside, pull once on the door handle to unlock it, and a second tim ...

    Fuel System Messages
    FUEL LEVEL LOW This message displays when the vehicle is low on fuel. Refuel as soon as possible TIGHTEN GAS CAP This message displays when the fuel cap is not on tight. Tighten the fuel ca ...