If rapid fogging were to occur during driving, it could obstruct the driver's vision increasing the risk of a vehicle crash.

Visibility — Defroster/Defogger/Hvac System

Date Announced
AUG 04, 1998
Vehicles Affected
354
NHTSA Campaign #
98V177000
Summary
Vehicle description: Light duty pickup trucks equipped with electric drive. Rapid fogging of the interior glass can occur within two minutes after the heat is turned on if (1) the outside temperature is between 35 and 76 degrees Fahrenheit and (2) water has collected on the heat exchanger during previous operation of the air conditioning.
Actions
Owners are being provided with a caution label and supplemental insert for their owner's manual advising them to follow a "stop and wait" procedure to help avoid window fogging while driving.
Documents (1)