See also:

Weatherstrips
Apply silicone grease on weatherstrips to make them last longer, seal better, and not stick or squeak. See Recommended Fluids and Lubricants on page 11‑12. ...

Following Distance
Stay at least twice as far behind the vehicle ahead as you would when driving the vehicle without a trailer. This can help to avoid situations that require heavy braking and sudden turns. ...

Coverage
Services are provided up to 5 years/160 000 km (100,000 mi), whichever comes first. In the U.S., anyone driving the vehicle is covered. In Canada, a person driving the vehicle without permission from ...