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:
Checking Coolant
The vehicle must be on a level surface when checking
the coolant level.
The coolant level should be at or above the FULL
COLD mark when the engine is cold. The coolant level
should be above the ...
Three-Way Calling
Three-way calling must be
supported on the cell phone and
enabled by the wireless service
carrier.
1. While on a call, press .
2. Say “Three-way call.”.
3. Use the dial or call command to ...
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 ...
