Cloudy with rain and snow. Temps nearly steady in the mid 30s. Winds ESE at 5 to 10 mph. Chance of precip 100%. Snow accumulations less than one inch.. Rain and snow showers this evening. Overcast overnight. Low 32F. Winds light and variable. Chance of precip 60%. Blind Spot Monitoring system warning light icon in side view mirror of a modern vehicle. (Dreamstime/TNS) Blind Spot Monitoring system warning light icon in side view mirror of a modern vehicle. (Dreamstime/TNS) Q: Do you recommend the installation of an aftermarket blind spot sensor? It would go on a 2012 Camry. If so, what are recommended brands and who installs them? A: If you have an older car, or one that was not equipped with a blind spot camera or sensors, aftermarket kits may be the answer. But they are expensive. Low priced units cost about $300 while the better ones are about $500. Experts say that none are as good as the factory-installed units, but the pricier ones come close. Most general repair shops could handle installation. If you have not yet won the lottery, you may want to rely on blind spot mirrors. Q: Your response was good. The average driver probably would not benefit (from a trouble code reader...