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:
Express-down Windows
Vehicles with the express-down feature allow the driver and front passenger windows to be lowered without holding the switch. Push the switch down to the second detent, then release, to activate the e ...
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 the vehic ...
Engine Coolant
The cooling system in the vehicle is filled with DEX-COOL® engine coolant. The coolant is designed to remain in the vehicle for 5 years or 240 000 km (150,000 mi), whichever occurs first.
The follow ...





