I check all my 3 spares every 2 months - they typically lose about 5-6 PSI during that time so need reinflating of course. I've had spares blow up just like below after about 10 years in our Vibe, and the Saturn and Festiva before the vibe. Environment is SoCal or Phoenix AZ, so the heat may not hel...

I've got a 2005 Vibe with about 240000 miles/400000 KM on it. We owned it for all but the first 10K miles. Engine Untouched. (probably just put a hex on the whole car now...). Doesn't burn oil or anything. Ticks a little bit but I suspect looseness's in valve train. (Come on Toyota - ever heard of h...