Consumer Guide's® Auto Editors have scoured repair bulletins and questioned mechanics to search for commonly occurring problems for a particular vehicle. In some cases we also give possible manufacturer-suggested solutions. In many instances these trouble spots are Technical Service Bulletins posted by the manufacturer, however, we have our own expert looking at additional vehicle problems.

Ignition switch: The key reminder chime may not stop when the key is removed and/or the keyless entry may not work requiring a revised ignition switch. (2006)

Sunroof/moonroof: Sunroof may squeak due to wear at the guide pins. (2006)

Vehicle shake: Vibration may be felt at cruising speeds and can be corrected with revised motor mounts, but the new mounts may then cause vibration at idle. (2006-07)

This table lists costs of likely repairs for comparison with other vehicles. The dollar amount includes the cost of the part(s) and labor (based on $50 per hour) for the typical repair without extras or add-ons. Like the pricing information, replacement costs can vary widely depending on region. Expect charges at a new-car dealership to be slightly higher.

2006: Heat buildup could occur in exhaust system, resulting in fire.

2006: Mazda5s in Alaska, Colorado, Connecticut, Delaware, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Maine, Maryland, Massachusetts, Michigan, Minnesota, Missouri, Montana, Nebraska, New Hampshire, New Jersey, New York, North Dakota, Ohio, Pennsylvania, Rhode Island, South Dakota, Utah, Vermont, West Virginia, Wisconsin, and Wyoming: The side door latch mechanisms may experience water intrusion allowing the latch mechanism to freeze in cold weather. Dealers will inspect and repair or replace affected parts.

2006: Side door latch mechanisms on vehicles in certain states may freeze in cold weather, preventing door from closing and latching properly.