Here are a few tips to help you avoid getting your vehicle towed, and just in case you do find yourself stuck and in need of assistance, a few tips to assist there also. Always to try to keep an eye out of signage, it could be posted parking time allowance, residential areas where it is parking by permit only, or could be a loading zone. All of these might not be clear, but avoiding these can keep your car where you left it.
One of the most important things that are in your control is keeping your vehicle on it's scheduled maintenance schedule. For example keep your oil changed when the mileage indicates it is time. Make sure your tires are adequate for the conditions or the roads you are travelling. Keep your fluids topped up, and monitor your gauges, they are there for a reason. Have your mechanic give your vehicle a once over when in for service, and don't skip the tune ups. All of this will help to keep your vehicle running smoothly and not leaving you stranded on the side of the road, not breaking down.
If however you do find yourself in need of assistance here are a few tips to make life easier for your driver. Try to make sure your wheels are straight, this will allow for a traditional tow if that is the only method that might be available in your area. This will allow your vehicle to be towed without both sets of wheels being lifted. Under this premise also try to ensure your emergency brake is disengaged.