what do you have on hand and what products can you avail? is your friend ready to do the weekly washing and take care of the work you've done afterwards?
wash, and just because, kero, wash, clay, prewax, wax -- nano glos + sliq na muna. mostly in
the newbie's guide to car appearance maintenance
don't forget the wheel wells and wheels and tires and at least vacuum the car interior. and don't worry, the car will surely make a 180 turn towards shine and cleanliness.
unless you know your stuff under the hood, simple muna sa engine detailing and give the utmost caution. clean and dress always with a cloth. wipe clean with a degreaser, wipe to dry, wipe on your dressing. avoid electrical connectors and sensors. ready a stick for hard to reach areas. no pressure. the result/feedback will reach the rest of your barkada
good luck!