Subaru BRZ Manuals 2017 BRZ Owner's Manual | Page 438

5-2. Steps to take in an emergency Installing the spare tire Remove any dirt or foreign matter from the wheel contact surface. STEP 1 If foreign matter is on the wheel contact surface, the wheel nuts may loosen while the vehicle is in motion, and the tire may come off the vehicle. STEP 2 Install the spare tire and loosely tighten each wheel nut by hand to approximately the same amount. Tapered portion Disc wheel seat Tapered portion Disc wheel 436 Vehicles with a compact spare tire: Tighten the wheel nuts until the tapered portion comes into loose contact with the disc wheel seat. Vehicles with a spare tire of the same wheel type as the installed tires: Tighten the wheel nuts until the tapered portion comes into loose contact with the disc wheel.