If the external circulation of your car's air conditioning system can't switch to internal circulation, it might be due to a problem with the actuator or a control switch. The cost for repair can vary depending on the make and model of the car and the specific issue. I recommend consulting a local mechanic for an accurate diagnosis and cost estimate.

If the slip indicator light and the 4WD light are constantly on, it usually indicates a potential issue with your vehicle's traction control or four-wheel-drive system. To turn them off, you can try the following steps: 1. **Check the vehicle's manual:** Refer to the owner's manual for specific guidance related to your vehicle model. 2. **Inspect the 4WD system:** Ensure the four-wheel-drive system is properly engaged or disengaged as required. 3. **Restart the vehicle:** Turn off the engine, wait a few minutes, and then restart to see if the lights reset. 4. **Check for error codes:** Use an OBD-II scanner to check for any error codes that might indicate the problem. 5. **Consult a professional:** If the lights remain on, it's advisable to visit a mechanic or authorized service center for further diagnosis and repair. Please note that these are general guidelines and the exact steps may vary depending on your vehicle make and model.

To reset the tire pressure warning light, you typically need to follow these steps: 1. **Check Tire Pressure:** Make sure all your tires, including the spare, are inflated to the recommended pressure levels specified in your vehicle's manual. 2. **Drive the Vehicle:** Sometimes, driving the vehicle at a speed above 50 km/h (about 30 mph) for a few minutes can reset the warning light. 3. **Use the Reset Button:** Some vehicles have a TPMS reset button. Turn the ignition to the "on" position without starting the engine, then hold the reset button until the tire pressure light blinks three times. Release the button and start the vehicle. 4. **Consult the Manual:** Refer to your vehicle's manual for specific instructions, as the procedure can vary depending on the make and model. 5. **Professional Assistance:** If the light doesn't turn off, there might be a sensor issue or a need for recalibration, and you should consult a professional mechanic.

If you're considering switching to a Model X, the delivery time can vary depending on your location and the specific configuration you choose. Typically, it might take a few weeks to a few months for delivery. It's best to check directly with Tesla for the most accurate and up-to-date delivery estimates.

The 2015 Volkswagen Touran with an automatic transmission uses a timing belt. It is typically recommended to replace the timing belt every 60,000 to 100,000 kilometers, depending on the manufacturer’s specifications and driving conditions. Always refer to the vehicle's manual or consult with a professional mechanic for the most accurate information.

Hi everyone, I've got an '07 model practice car. When I turn on the internal circulation switch, the light comes on, but there's no circulation effect. What's going on?

If the external circulation of your car's air conditioning system can't switch to internal circulation, it might be due to a problem with the actuator or a control switch. The cost for repair can vary depending on the make and model of the car and the specific issue. I recommend consulting a local mechanic for an accurate diagnosis and cost estimate.

I'm here to help! To adjust the maintenance reminder on your car's dashboard to match the actual mileage, you usually need to reset or update the maintenance settings. Here’s a general approach: 1. **Check the Owner's Manual**: Look for instructions specific to your car model regarding how to reset the maintenance reminder. 2. **Use the Trip Button**: In many cars, you can use the trip button on the dashboard. Press and hold it while the car is in the "On" position (but not running) until the maintenance light blinks or resets. 3. **Consult the Service Menu**: Some vehicles have a service menu accessible via the infotainment system where you can update maintenance intervals. 4. **Visit a Service Center**: If you're unsure, it's best to visit a service center or dealership. They can use diagnostic tools to reset the reminder accurately. Remember that the steps can vary depending on your car brand and model.

Is it possible to set the car to default to internal circulation instead of external circulation when starting?