Here is the full list of all 63 Car Detailing Simulator achievements.
Fix body
Fix windows
Fix wheels
Car 1 minute
See credits
Finish game
Get 15 rep
Pressure washer time
Water computer
Buy auto salon
Wash 50 cars
Buy all upgrades
Use automatic polisher
Use paint meter
Use small brush
Use sponge
Get 10 rep
Sell lower price
Stairs ride
Find unique
Buy all toolkits
Return dirty
Buy shed car
Repair garage
Buy garage
Long session
Fix trash
Use trash can
Buy interior toolkit
Wash 10 cars
Get 5 rep
Fix seat
Use sand paper
Buy seat toolkit
Buy window toolkit
Buy garage upgrade
Use soft brush
Use wide brush
Buy wheel toolkit
Get 2 rep
Fix scratches
Use hand polisher
Use flashlight
Buy finish toolkit
Open memory
Wash 1 car
Buy body toolkit
Take photo
Finish tutorial
Buy one toolkit
Use seat spray
Use vacuum
Use window spray
Use rag
Use pressure washer
Buy lights toolkit
Wash 100 cars
Wash 500 cars
Make money
Overtime
Fix ufo
Find turtle