Dear Miss Manners: I have a GPS navigator in my car, which I use when I am going to an unfamiliar location. If I have a passenger who claims to know the way, I usually rely on the passenger rather than the GPS. Sometimes, we’re both unfamiliar with the destination but have some familiarity with a portion of the trip.

Dear Miss Manners: I have a GPS navigator in my car, which I use when I am going to an unfamiliar location. If I have a passenger who claims to know the way, I usually rely on the passenger rather than the GPS, though sometimes this has proved to be a mistake.

DEAR MISS MANNERS - S - I have a GPS navigator in my car, which I use when I am going to an unfamiliar location. If I have a passenger who claims to know the way, I usually rely on the passenger rather than the GPS, though sometimes this has proved to be a mistake. But when traveling to a place that is unfamiliar to both of us, I use the GPS.

Garmin, a popular GPS manufacturer, is voluntarily recalling several models of its popular Nuvi GPS navigator products over concerns the batteries could overheat and catch fire.

Transplant GPS and ALK Technologies, in conjunction with Stewart-Haas Racing and NASCAR, have introduced the Spotter GPS Navigator, Tony Stewart Edition. A Dale Earnhardt, Jr., version is also available.