2010 Toyota Sequoia Owners Manual - Page 600

5-2. Steps to take in an emergency ● If a radio set at similar frequencies is in use in the vehicle. ● If a window tint that affects the radio wave signals is installed. ● If there is a lot of snow or ice on the vehicle, in particular around the wheels or wheel housings. ● If non-genuine Toyota wheels are used. (Even if you use Toyota wheels, the tire pressure warning system may not work properly with some types of tires.) ● If tire chains are used.