It’s 2 a.m. and you just remembered that your Toyota, sitting idle in the driveway, is in dire need of that 30,000 mile check-up and lube job you’ve repeatedly postponed. The good news: Chief Auto Parts has recently opened a twenty-four-hour service center ready at ten, two, four, and every hour in between to service those minor spurts and sputters as well as to perform major diagnostic and engine work. The round-the-clock service center, a first of its kind in the U.S. (other garages have extended hours only to midnight), is at 9840 Walnut. For information. call 4700570.