See also:

Traction AA, A, B, C
The traction grades, from highest to lowest, are AA, A, B and C. Those grades represent the tire’s ability to stop on wet pavement as measured under controlled conditions on specified government t ...

Safety
Like the rest of Subaru's current lineup, the 2011 Tribeca is a Top Safety Pick at the Insurance Institute for Highway Safety. It scores the agency's best rating, Good, in front-, rear- and side-i ...

Brake booster
The brake booster uses engine manifold vacuum to assist braking force. Do not turn off the engine while driving because that will turn off the brake booster, resulting in poor braking power. The ...