If by this you mean only "hot heat" when drive at highway speeds likely thermostat bad and/or almost stuck and takes long time warm up from high engine RPM during highway driving.
Engine and/or gearbox mountings failure?
THe MPG of the Subara Impreza is 25 in city driving and 34 MPG during highway driving. The combined MPG for the 2012 Impreza is 28.
There is an electircal switch that 'senses' when the emergency brake lever is applied and lights a warning light on the dashboard to keep you from driving in this condition. This switch may be faulty or out of adjustment, causing the warning light on the dashboard to turn on.
fuel economy, very effective during highway driving,
Hazard lights may only be used during an emergency where the vehicle requires to be stopped in places it should not normally be stopped, such as a highway. People mistakenly used hazard lights when driving through heavy storms as another form to ensure visibility and is not recommended.
The driving situation in which your mind plays tricks on your body and makes you believe that you are almost stationary is called highway hypnosis. Highway hypnosis is also known as white line fever or driving without attention mode.
Cars are rated as to how efficient they are. The government gives them two ratings; Highway mileage and City mileage. City mileage is determined by driving the car at slower speeds and stopping and starting many times. This consumes a lot of fuel during the times the car is not moving or having to accelerate. Highway mileage is determined my driving the car long distances at highway speeds, usually 55 mph or more.
The ABS warning light is intended to come on at the time you start the vehicle, so you know it's working, then go out at about 7mph once the vehicle has determined that the ABS is operating properly. Thus, the ABS light should be off during normal driving, and on only during start-up and the first few mph of acceleration.
The average miles per gallon of the Ford Escape is 28.5 during highway driving. City driving can give an average of as low as 23 miles per gallon.
An swerstruts may be seized Also could a bad throttle position sensor, check your rpm's if at an idle they are higher than 700-800, should have the tps replaced
"Check VSC" typically refers to a warning message related to the Vehicle Stability Control (VSC) system in a car. This system helps maintain traction and stability during driving, especially in slippery conditions. If the warning appears, it may indicate a malfunction or an issue with the VSC system, prompting the driver to have the vehicle inspected by a professional. It's advisable to address this warning promptly to ensure safe driving.